Contested files

by Oliver Reeh
6/28/2025 – In the diagram position White has to fight. Your first challenge is to make 27.Qc2! Bxe1 work for him. And then two moves later you can reveal a knockout for Black that he missed in the game - enjoy!
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MoveNResultEloPlayers
1.e41,184,21554%2421---
1.d4958,93255%2434---
1.Nf3286,32756%2441---
1.c4184,72256%2443---
1.g319,88456%2427---
1.b314,59854%2428---
1.f45,95348%2377---
1.Nc33,90650%2384---
1.b41,79048%2378---
1.a31,25054%2406---
1.e31,08149%2409---
1.d396950%2378---
1.g467046%2361---
1.h446654%2382---
1.c343951%2425---
1.h328956%2420---
1.a411860%2461---
1.f310047%2427---
1.Nh39267%2511---
1.Na34762%2476---
1.e4 c5 2.c3 e6 3.d4 d5 4.e5 Nc6 5.Nf3 Nge7 6.Bd3 cxd4 7.cxd4 Nf5 8.Bxf5 exf5 9.Nc3 Be6 10.0-0 Be7 11.Ne2 g5 12.Ne1 f4 13.f3 Qb6 14.Kh1 Bf5 15.b3 Qa6 16.Rf2 0-0-0 17.Bb2 f6 18.exf6 Bxf6 19.Qd2 Kb8 20.Nxf4 Qb6 21.Ne2 Rhe8 22.Rd1 Ka8 23.Bc3 Rc8 24.Ng3 Nxd4 25.Nxf5 Nxb3! 26.axb3 Bxc3 Contested files In the diagram position White has to fight. Your first challenge is to make 27.Qc2! Bxe1 work for him. And then two moves later you can reveal a knockout for Black that he missed in the game - enjoy!
Please don't play 27.Qc2! until your answer to 27...Bxe1 is clear.
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WhiteEloWBlackEloBResYearECOEventRnd
Teschner,R-Portisch,L-½–½1969C02Monaco Grand Prix-03 GM9

Oliver Reeh in ChessBase Magazine

Do you like these lessons? There are plenty more by Oliver Reeh in ChessBase Magazine, where you will also find openings articles and surveys, tactics, and of course annotations by the world's top grandmasters.

ChessBase Magazine #216

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Topics: ChessBase Magazine, tactic column, Tactics
Oliver Reeh has been working for ChessBase for many years as a translator and presenter of the internet show TV ChessBase, and he also looks after the tactics column in ChessBase Magazine, for which he has also been responsible as editor-in-chief since 2019. The International Master has contributed to the CB "MasterClass" series and is the author of the DVDs "Strike like the World Champions" and "Master Class Tactics - Train your combination skills!" Volumes 1 & 2. Oliver Reeh lives in Hamburg.
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