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John Alan Grefe vs Kim S Commons
"Creative Commons" (game of the day Jun-24-2017)
USA-ch / Zonal (1975), Oberlin, OH USA, rd 10, Jun-20
Caro-Kann Defense: Two Knights Attack. Mindeno Variation Retreat Line (B11)  ·  0-1
ANALYSIS [x]

FEN COPIED

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find similar games 1 more J A Grefe/K Commons game
sac: 15...Qf6 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
Jul-19-14  Howard: The late John Grefe actually lost on time in this game--not that it mattered, since his position was beyond salvage.

Commons annotated this game rather thoroughly for Chess Life and Review, in early 1976. In his notes, he awarded his bold 13.0-0 !! with two exclamation marks, saying that "Black just calmly continues his development" while leaving his bishop trapped by White's chain of kingside pawns.

Jun-30-15  Howard: And now Commons is gone, too !
Jun-24-17  Cheapo by the Dozen: RIP Kim. Nice guy. Best player I ever defeated by far. (It was a game of Double Bughouse with Diane Saeveride as my partner. No way would I ever have beaten Kim at straight hess.)
Jun-24-17
Premium Chessgames Member
  offramp: He has now come to Grefe.
Jun-24-17  Ratt Boy: Isn't White's 23rd a big-ol' blunder? I was looking at 23.Rf2, which seems to hold the g-pawn.
Jun-24-17  Ratt Boy: Nice obit for Kim Commons here: http://www.phoenixnewtimes.com/musi...
Jun-24-17  Swedish Logician: Van der Wiel vs Timman, 1986 was lost by black after a blunder by Timman, but the position after 19. - dxe4 has been lost in all the five later games it was played. Clearly serious improvments are called for if Black wants to play this again.....
Jun-24-17
Premium Chessgames Member
  ChessHigherCat: John yields to Kim's come-ons
Jun-24-17  ColeTrane: More like "Grefe and Loss"
Jun-24-17
Premium Chessgames Member
  ChessHigherCat: <ColeTrane: More like "Grefe and Loss">

You more like yours but I more like mine

Jun-24-17
Premium Chessgames Member
  RandomVisitor: 20.Kf1 might hold for white.
Jun-24-17
Premium Chessgames Member
  morfishine: <Ratt Boy: Isn't White's 23rd a big-ol' blunder? I was looking at 23.Rf2, which seems to hold the g-pawn> Unfortunately, <23.Rf2> is met by <23...e3> forking the mis-placed rooks :(

Nice obit though

*****

Jun-24-17
Premium Chessgames Member
  RandomVisitor: 20.Kf1 dxe4 21.Qxe4 Qxc2


click for larger view

Stockfish_17061704_x64_modern: <4 hours computer time>

<+0.84/45 22.Qe2 Qxe2+ 23.Bxe2> Rfd8 24.Rxd8+ Rxd8 25.Rh3 Rd7 26.Ra3 b6 27.Rc3 Kf8 28.Rc8+ Ke7 29.Bb5 Rd5 30.a4 Rc5 31.Rh8 h6 32.Ke2 Rc7 33.Kf3 Kf6 34.Kf4 Rc1 35.Ra8 Rc7 36.Rb8 Ke7 37.Ke5 Rc5+ 38.Ke4 Rc7 39.Kf4 Kf6 40.Ra8 Ke7 41.Ke5 Rc5+ 42.Kd4 Rc7 43.Ke3 Kf6 44.Rg8 Rc3+ 45.Kf4 Rc1 46.Kf3 Rc3+ 47.Ke4 Rc7 48.Ra8 Kg5 49.Ke5 Kxg4 50.Kd6 Rc2

+0.35/44 22.Qxc2 Rxc2 23.a3 Rfc8 24.Rh3 Kf8 25.Rb3 g6 26.Be2 R8c7 27.Rd8+ Kg7 28.Rh3 gxh5 29.gxh5 R7c3 30.Rxc3 Rxc3 31.a4 Ra3 32.Rd4 Rb3 33.Ke1 Rb2 34.Kf2 a6 35.Ke3 Kf6 36.Rf4+ Ke7 37.Rc4 Kf6 38.Bd3 Kg5 39.Rc7 Kxh5 40.Rxf7 Kg5 41.Rg7+ Kf6 42.Rxh7 Ra2 43.Rh6+ Ke7 44.Rh4 Ra3 45.Re4 b5 46.axb5 axb5

Jun-26-17
Premium Chessgames Member
  kevin86: White goes down...hard!
Jun-28-17  Howard: Commons, incidentally, annotated this game in the March, 1976 issue of CL&R.

Just looked at it last night, in fact.

Jul-07-17  Howard: Turns out that 20.Kf1 was played in the game Sikora-Varnusz 1979---just came across it the other day in a 1979 Informant. According to that volume, 21.Qe4! would have held the position, but White blundered with Rh2? and had to resign just a few moves later.

Commons, somewhat strangely, doesn't even mention 20.Kf1 in his notes to the game.

This game, incidentally, is not in the Chessgames database, but it's in the chess365 one---just found it!

Apr-09-18
Premium Chessgames Member
  whiteshark: Now trying variation <13...O-O 14.fxe4 Nxd4 15.Qd3 dxe4>


click for larger view

White to move

1) -3.81 (23 ply) 16.Qxe4 Rxc3 17.bxc3 Bxc3+ 18.Bd2 Bxd2+ 19.Kxd2 Nxb5+ 20.Kc1 Nd5 21.Re1 Qa5 22.Nc4 Qa4 23.Nb2 Qa3 24.Qc4 Nbc3 25.Qb3 Qa5 26.Nd3 b5 27.a4 bxa4 28.Ra3 Qc7 29.Rxa4 Nxa4 30.Qxa4

1.0 minute analysis by Stockfish 9 v010218

Apr-09-18
Premium Chessgames Member
  whiteshark: <19.bxc3 Qxc3+ 20.Kf1 dxe4 21.Qxe4 Qxc2 22.Qe2 Qxe2+>


click for larger view

White to move

1) +1.15 (19 ply) 23.Bxe2 Rc2 24.Rd7 Rxa2 25.Rxb7 a5 26.Rh3 h6 27.Ra7 a4 28.Rf3 g6 29.hxg6 fxg6 30.Rxf8+ Kxf8 31.Bd3 Ra1+ 32.Kg2 g5 33.Kf3 e5 34.Ke4 Rg1 35.Ra8+ Kf7 36.Bc4+ Kf6

2) +1.07 (19 ply) 23.Kxe2 Rc5 24.Bd3 f5 25.gxf5 exf5 26.Rh4 g5 27.hxg6 hxg6 28.Bc4+ Kg7 29.Rd7+ Kf6 30.Rxb7 g5 31.Rd4 Rh8 32.Rxa7 Ke5 33.Rad7 Rh4 34.R4d5+ Rxd5 35.Rxd5+ Kf4 36.Rd4+ Kg3 37.Rxh4 gxh4 38.Bd3

3) mated-in-6 (18 ply) 23.Kg1 Qe3+ 24.Kf1 Rc2 25.Rh2 Rxh2 26.Rd2 Rxd2 27.Be2 Qxe2+ 28.Kg1 Rd1#

6.0 minute analysis by Stockfish 9 v010218

Apr-09-18  Howard: To clarify, I was referring to the Sikora game as not being in the Chessgames database---not, of course, the Grefe-Commons one.
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