American Cup Open Champions 2025, Saint Louis

MoveNResultEloPlayers
1.e41,166,62354%2421---
1.d4947,29855%2434---
1.Nf3281,60256%2441---
1.c4182,10256%2442---
1.g319,70256%2427---
1.b314,26554%2427---
1.f45,89748%2377---
1.Nc33,80151%2384---
1.b41,75648%2380---
1.a31,20654%2404---
1.e31,06848%2408---
1.d395450%2378---
1.g466446%2360---
1.h444653%2374---
1.c343351%2426---
1.h328056%2418---
1.a411060%2466---
1.f39246%2436---
1.Nh38966%2508---
1.Na34262%2482---
1.d4 7 Nf6 20 2.c4 16 e6 21 3.Nf3 36 d5 4.g3 42 Be7 31 5.Bg2 1:26 0-0 19 6.0-0 24 dxc4 51 7.Qc2 30 a6 58 8.a4 31 Bd7 12 9.Qxc4 0 Bc6 17 10.Bf4 2:50 Bd6 3:15 E05: Open Catalan: 5 Nf3 Be7. 11.Nc3 9:41 Bxf4 1:21 12.gxf4 19 a5 8:37 13.e3 14 Na6 4:30       14.Kh1 0 Nb4 1:42 15.Qe2 7:34 Qe7!?N 16:49       New and interesting. Predecessor: 15...Bxf3 16.Bxf3 c6 17.Rg1 Qe7 18.Rg5 Kh8 19.Rag1 g6 20.Qc2 Nxc2 0-1 Aronian,L (2773)-Nakamura,H (2736) Saint Louis Blitz 2020 (7) 16.Nb5 10:35 Bxf3 0 16...Ng4 with more complications. 17.Ng5 Bxg2+ 18.Kxg2 Nh6 17.Bxf3 0 c6 0 18.Na3 1:31 Ne8 3:19 19.Nc2 6:42 Nxc2 5:57 20.Qxc2 11 f5 4:21 21.Qb3 3:02 Nf6 2:17 22.Rac1 43 Nd5 1:57 23.Rg1 4:04 Rf7 1:50 24.Rc5 4:24 Kh8 3:19 25.Qd1 22 Qf6 3:08 26.Qf1 0 Rc7 8:07 27.Qg2 0 b6 28.Rc4 43 Rac8 7:00 29.Rgc1 6:12 Qe7 30.h3 3:46 Nb4 2:08 31.Be2 31.Bxc6 Nd3 32.Ra1 Nxf2+ 32...Nxb2 33.Rc3 33.Qxf2 Rxc6 34.Rxc6 Rxc6 31...Na2 0 32.Rd1 Nb4 16 33.b3 5:52 Nd5 34.Rcc1 5:42 Nb4 5:11 35.Bc4 46 Na2 33 36.Ra1 30 Nb4 30 37.Rg1 25 Rd8 5:33 38.Kh2 5:58 Qf6 39.Be2 5:25 Rdc8 1:49 40.Rad1 1:23 Nd5 1:31 41.Ba6 18 Rd8 24 42.Rc1 46 Nb4 0 43.Be2 1:40 Rdc8 1:35 44.Rc4 44 Qe7 1:05 45.Bf3 2:07 Kg8 1:13 46.Rcc1 Qf6 3:22 47.Be2 1:00 Kh8 55 48.Bc4 2:52 Nd5 0 49.Qg3 1:13 Rd8 50.h4 Qf7 0 51.Be2 17 Rdc8 0 52.Ba6 Ra8 27 53.Be2 1:00 Rac8 2:37 54.h5 4:29 Nf6 30 55.Qh4 30 Qe7 30 56.Kg2 30 Nd5 30 57.Qxe7 30 Rxe7 30 58.Bf3 30 Rec7 3:09 59.Bxd5 2:01 cxd5 41       Endgame KRR-KRR 60.Rb1 1:45 60.Rxc7 Rxc7 61.Kf3 Rc3= 60...Kg8 1:21 61.b4 28 Rc4 1:32 62.bxa5 7 bxa5 2 63.Kf3 22 Rb4 1:10 64.Rxb4 1:13 axb4 1 KR-KR 65.h6 5 g6 1:47 66.Rb1 24 Rb8 4 67.Ke2! 8 b3 1:10 68.Kd3 4 Ra8 0 69.Rxb3 25 Rxa4 12 70.Rb7 2:31 Wards off Ra7 Ra2 48 Better is 70...Ra1 71.Rg7+ Kh8 71.Rg7+± 28 Kh8 56 71...Kf8± 72.Re7+- 39 Kg8 8 73.Rxe6 47 Rxf2 18 74.Re8+! 1 Kf7 6 75.Rh8 3 Kf6 1:14 76.Rxh7 30 g5 34 76...Rh2± 77.Rh8 g5 77.fxg5+! 1:49 Kxg5 1 78.Rd7 5 Kxh6 5 79.Rxd5 2 Kg6 31 80.Re5 57 Ra2 30
81.e4? 30 White must play 81.Kc3!+- 81...fxe4+= 30 82.Rxe4 30 Kf5! 1:38 ( -> ...Ra3+) 83.Re8 2:47 Ra4! 10 84.Kc3 27 Kf6 19
85.d5? 16 85.Re4!+- Kb3 would now be deadly. Kf7 86.Re2 85...Kf7 22 86.Re2 8 Kf6 27 87.Re1 11 Kf7 19 88.Re6 1:59 Rh4 22 89.Re2 50 Ra4 24 90.Re1 31 Rh4 1:02 91.Re5 30 Ra4 28 92.Re1 4 Rh4! 10 93.Re6 2 Ra4 7 94.Re1 2 Rh4! 18 Weighted Error Value: White=0.04 (flawless) /Black=0.05 (flawless) Loses game: --- Black=1 Missed win: White=2 --- Mistake: --- Black=3 Inaccurate: White=3 Black=6 OK: White=24 Black=35 Best: White=11 Black=5 Strong: White=3 Black=4 ½–½
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WhiteEloWBlackEloBResYearECOEventRnd
Nakamura,H2802Mishra,A2600½–½2025E05American Cup Open Champions 20251.1
So,W2748Dominguez Perez,L2741½–½2025D38American Cup Open Champions 20251.2
Dominguez Perez,L2741So,W2748½–½2025C54American Cup Open Champions 20251.2
Sevian,S2692Aronian,L2748½–½2025C55American Cup Open Champions 20251.2
Robson,R2689Caruana,F2783½–½2025B35American Cup Open Champions 20251.2
Mishra,A2600Nakamura,H2802½–½2025B06American Cup Open Champions 20251.2
Nakamura,H2802Mishra,A26000–12025A14American Cup Open Champions 20251.3
Caruana,F2783Robson,R2689½–½2025A08American Cup Open Champions 20251.3
Caruana,F2783Robson,R2689½–½2025A06American Cup Open Champions 20251.3
Aronian,L2748Sevian,S26920–12025D04American Cup Open Champions 20251.3
So,W2748Dominguez Perez,L2741½–½2025E05American Cup Open Champions 20251.3
Aronian,L2748Sevian,S2692½–½2025A28American Cup Open Champions 20251.4
Dominguez Perez,L2741So,W2748½–½2025C41American Cup Open Champions 20251.4
Sevian,S2692Aronian,L27480–12025B07American Cup Open Champions 20251.4
Robson,R2689Caruana,F27830–12025B35American Cup Open Champions 20251.4
Mishra,A2600Nakamura,H28020–12025B06American Cup Open Champions 20251.4
Dominguez Perez,L2741So,W2748½–½2025C54American Cup Open Champions 20251.5
Sevian,S2692Aronian,L27480–12025C55American Cup Open Champions 20251.5
Mishra,A2600Nakamura,H2802½–½2025C54American Cup Open Champions 20251.5
Nakamura,H2802Mishra,A26001–02025A14American Cup Open Champions 20251.6
Aronian,L2748Sevian,S26921–02025B22American Cup Open Champions 20251.6
So,W2748Dominguez Perez,L2741½–½2025D04American Cup Open Champions 20251.6
Dominguez Perez,L2741So,W27481–02025C54American Cup Open Champions 20251.7
Nakamura,H2802Dominguez Perez,L2741½–½2025E06American Cup Open Champions 20252.1
Caruana,F2783Aronian,L2748½–½2025C55American Cup Open Champions 20252.1
Aronian,L2748Caruana,F2783½–½2025D38American Cup Open Champions 20252.2
Dominguez Perez,L2741Nakamura,H28020–12025C55American Cup Open Champions 20252.2
Caruana,F2783Aronian,L27481–02025C55American Cup Open Champions 20252.3
Aronian,L2748Caruana,F27831–02025D11American Cup Open Champions 20252.4
Aronian,L2748Caruana,F27830–12025D30American Cup Open Champions 20252.5
Caruana,F2783Aronian,L2748½–½2025E90American Cup Open Champions 20252.6
Nakamura,H2802Caruana,F2783½–½2025E04American Cup Open Champions 20253.1
Caruana,F2783Nakamura,H2802½–½2025C55American Cup Open Champions 20253.2
Caruana,F2783Nakamura,H28020–12025C55American Cup Open Champions 20253.3
Nakamura,H2802Caruana,F2783½–½2025B90American Cup Open Champions 20253.4
Nakamura,H2802Caruana,F27831–02025E04American Cup Open Champions 20254.1
Caruana,F2783Nakamura,H2802½–½2025A34American Cup Open Champions 20254.2
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