chessgames.com
Members · Prefs · Laboratory · Collections · Openings · Endgames · Sacrifices · History · Search Kibitzing · Kibitzer's Café · Chessforums · Tournament Index · Players · Kibitzing

(If you register a free account you won't see all these ads!)
Lajos Portisch vs Mato Damjanovic
Monte Carlo (1968), Monte Carlo MNC, rd 6, Apr-08
Benoni Defense: Czech Benoni Defense (A56)  ·  1-0
ANALYSIS [x]

FEN COPIED

explore this opening
find similar games 3 more Portisch/M Damjanovic games
sac: 40.Rxg8+ PGN: download | view | print Help: general | java-troubleshooting

TIP: If we are missing an important game, you can submit it (in PGN format) at our PGN Upload Utility.

PGN Viewer:  What is this?
For help with this chess viewer, please see the Olga Chess Viewer Quickstart Guide.
PREMIUM MEMBERS CAN REQUEST COMPUTER ANALYSIS [more info]

Kibitzer's Corner
Nov-13-17
Premium Chessgames Member
  lost in space: Even too easy for a Monday.

40. Rxg8+ Kxg8
(else, e.g. after 40...Kf7: Queen is lost)

41. Qh8+ and the queen on a8 is gone

Nov-13-17
Premium Chessgames Member
  patzer2: Today's Monday puzzle (40. ?) solution is the easy skewer tactic 40. Rxg8+ Kxg8 41. Qh8+ Kf7 42. Qxa8 +-.

For a Black improvement, I'd ditch the whole idea of pitching a pawn in the opening with 6...b5?! 7. cxb5 ±. Instead, if you must give up a pawn here, play the Benko Gambit with 3...b5 4. cxb5 a6 when Black gets more play for the gambit pawn.

Nov-13-17
Premium Chessgames Member
  al wazir: 37...f6 was black's only defense. If 38. f3 or 38...Qh7, then 38...Qd5. If 38. Qc4, then 38...d5.
Nov-13-17
Premium Chessgames Member
  patzer2: White lets Black back in the game with the overly timid 22. b3? allowing 22...Ne8 = (0.02 @ 32 ply, Stockfish 8).

Instead, the bold 22.Qxc7 Rxb2+ 23.Kd3 Nxf1 24.Qxe7 h6 25.Qe8+ Kh7 26.Qxf7 +- (+3.61 @ 29 ply, Stockfish 8) is immediately winning.

Nov-13-17
Premium Chessgames Member
  patzer2: After holding on for quite a while after 22...Ne8 =, Black slips up with 34...Nxd5? allowing 35. Rxh7 ±.

Instead, simply 34...Bd8 = or 34...h6 = holds it about level.

Black's final decisive mistake was 35...Nf6? allowing 36. Rh8+ Ng8 37. Qc2! +- (+3.03 @ 27 ply, Stockfish 8). Necessary instead was 35...Bd8 36. Ke2 Ke7 37. Rd1 Qxa2 38. Qxa2 Nc3+ 39. Kf3 Nxa2 40. Ra1 Nb4 41. Rxg7 Ke6 ± (+0.53 @ 32 ply, Stockfish 8) with drawing chances.

Nov-13-17  ThumbTack: 35... Bd8 would have saved the game, but after 35...Nf6, Black is in bad shape.
Nov-13-17  stacase: <lost in space: Even too easy for a Monday. >

Yep

Nov-13-17
Premium Chessgames Member
  Check It Out: Letís not forget that there are beginners who would consider this puzzle complicated.
Nov-13-17  alphee: Those monday puzzle make you feel great, unfortunately, it doesn't last very long: friday ones bring you back to earth....
Nov-13-17  saturn2: After I realized there is no mate I went for winning the queen.
Nov-13-17  leRevenant: <lost in space: Even too easy for a Monday. > Nope, nothing is too easy for Monday.
Nov-13-17
Premium Chessgames Member
  morfishine: No Mato for Mato, but his Queen is lost after <40.Rxg8+> followed by <41.Qh8+>

*****

Nov-13-17
Premium Chessgames Member
  malt: Same as <lost in space>
Nov-13-17  Cheapo by the Dozen: The obvious try for a mating attack fails as a mating attack -- but it wins massive material as a very nice consolation.
Nov-13-17
Premium Chessgames Member
  Oxspawn: <malt>, <lost in space> ... yes you already know the ending but think how much pleasure you get in playing through the game and seeing how black achieves his doom. Like a movie which tells you the story in a flashback; finally you arrive at the tragic point where you began...
Nov-13-17  zb2cr: 40. Rxg8+ begins a sequence which causes the loose Black Queen on a8 to be lost. Either Black's King steps aside at once (40. ...Kf7; 41. Rxa8) or he is forced to do so (40. ... Kxg8; 41. Qh8+, Kf7; 42. Qxa8).
Nov-13-17
Premium Chessgames Member
  malt: <Oxspawn> I'll give a stab 42...Ke6
(42...ef3 43.Qd5+ Ke8 44.Qe6 Kd8 45.Rh8+ Kc7 46.Qc8+ Kb6 47.Qd7) 43.Rh5 ef3 44.B:c5! R:g4 45.Qd5+ Kd7
45.Qf5+ Kc7 46.Q:g4 dc6 47.Q:g7 Kd6
48.Qf7
Nov-13-17
Premium Chessgames Member
  patzer2: After 38...Rb4?, the move that sets up today's easy Monday puzzle combination is 39. Qh2! +- (mate-in-13, Stockfish 8 @ 32 ply).

If instead of 38...Rb4? Black plays 38...Bh6 (diagram below), finding a strong winning line gets quite a bit more complicated.


click for larger view

After 38...Bh6 (diagram above), Stockfish 8 gives the strongest winning line as 39.g5 Ba1 40.Bf4 +- (+2.68 @ 33 ply) when play might continue 40...Ke7 41.fxe4 Kd7 42.Kd1 Qa6 43.Qe2 Qxe2+ 44.Kxe2 Bd4 45.Kd3 g6 46.R8h7 Ke6 47.Rf1 Rf8 48.Bd2 Ne7 49.Bc3 Nc6 50.Bxd4 Nxd4 51.Rf6+ Ke7 52.Rxg6 Ne6 53.Rgh6 Nxg5 54.Rh8 Rxh8 55.Rxh8 Nf3 56.a4 Ne5+ 57.Kc3 Nc6 58.Rh1 Ke6 59.Rf1 Nd4 +- (+15.98 @ 30 ply).

Nov-13-17
Premium Chessgames Member
  kevin86: White dominates the h file with the three major, then firces his way to a8 and the adverse queen.
Nov-13-17
Premium Chessgames Member
  ChessCoachClark: Excellent game for showing the Battering Ram and (Royal) Skewer tactics to students.
Nov-13-17
Premium Chessgames Member
  Bubo bubo: 40.Rxg8+ lures the black king into a skewer: 40...Kxg8 41.Qh8+ Kf7 42.Qxa8
Nov-13-17
Premium Chessgames Member
  patzer2: <ChessCoachClark> Good point about 39. Qh2! +- being an instructive "Battering Ram and (Royal) Skewer" tactic.

However, it's not something your students can put on automatic pilot and expect to work every time.

For example after 38...Bf6, the attempt 39. Qh2? allows 39...Ke7 ⩲ (best is 39. g5! +-) when Black is back in the game with a fighting chance.

Nov-13-17  Nullifidian: 40. ♖xg8+ ♔xg8 (♔f7 41 ♖xa8) 41 ♕h8+ ♔f7 42. ♕xa8
Nov-13-17  stst: MOndy R-sac:
40.RxN+ KxR (else ...Kf7, 41.RxQ)
41.Qh8+ Kf7
42.QxQ and this's about it, no need to continue.
NOTE: You need to pick a username and password to post a reply. Getting your account takes less than a minute, is totally anonymous, and 100% free—plus, it entitles you to features otherwise unavailable. Pick your username now and join the chessgames community!
If you already have an account, you should login now.
Please observe our posting guidelines:
  1. No obscene, racist, sexist, profane, raunchy, or disgusting language.
  2. No spamming, advertising, duplicate or nonsense posts.
  3. No malicious personal attacks, including cyber stalking, systematic antagonism, or gratuitous name-calling of any member Iincludinfgall Admin and Owners or any of their family, friends, associates, or business interests. If you think someone is an idiot, then provide evidence that their reasoning is invalid and/or idiotic, instead of just calling them an idiot. It's a subtle but important distinction, even in political discussions.
  4. Nothing in violation of United States law.
  5. No malicious posting of or linking to personal, private, and/or negative information (aka "doxing" or "doxxing") about any member, (including all Admin and Owners) or any of their family, friends, associates, or business interests. This includes all media: text, images, video, audio, or otherwise. Such actions will result in severe sanctions for any violators.
  6. NO TROLLING. Admin and Owners know it when they see it, and sanctions for any trolls will be significant.
  7. Any off-topic posts which distract from the primary topic of discussion are subject to removal.
  8. The use of "sock puppet" accounts to circumvent disciplinary action taken by Moderators is expressly prohibited.
  9. The use of "sock puppet" accounts in an attempt to undermine any side of a debate—or to create a false impression of consensus or support—is prohibited.
  10. All decisions with respect to deleting posts, and any subsequent discipline, are final, and occur at the sole discretion of the Moderators, Admin, and Owners.
  11. Please try to maintain a semblance of civility at all times.
Blow the Whistle See something that violates our rules? Blow the whistle and inform a Moderator.

NOTE: Keep all discussion on the topic of this page. This forum is for this specific game and nothing else. If you want to discuss chess in general, or this site, visit the Kibitzer's Café.

Messages posted by Chessgames members do not necessarily represent the views of Chessgames.com, its employees, or sponsors. All Moderator actions taken are at the sole discretion of the Admin and Owners—who will strive to act fairly and consistently at all times.
Spot an error? Please submit a correction slip and help us eliminate database mistakes!
This game is type: CLASSICAL (Disagree? Please submit a correction slip.)

Featured in the Following Game Collections [what is this?]
pieces control h-file, but capture black queen at a8!
from magic endings by kevin86
Monte Carlo 1968
by Tabanus
40.? (Monday, November 13)
from Puzzle of the Day 2017 by Phony Benoni
puzzles
by obrit
98_A56_CZECH BENONI
by whiteshark
40.? (November 13, 2017)
from Monday Puzzles, 2011-2017 by Phony Benoni


home | about | login | logout | F.A.Q. | your profile | preferences | Premium Membership | Kibitzer's Café | Biographer's Bistro | new kibitzing | chessforums | Tournament Index | Player Directory | Notable Games | World Chess Championships | Opening Explorer | Guess the Move | Game Collections | ChessBookie Game | Chessgames Challenge | Store | privacy notice | contact us
Copyright 2001-2019, Chessgames Services LLC