Weakness of a Square Complex ♜♞♝♛♚♝♞♜♟♟♟♟♟♟♟♟♟♟♟♟♟♟♟♟♜♞♝♛♚♝♞♜a8b7c6d5e4f3g2h1◀◀◀Start▶▶▶Mieses, Jacques — Alekhine, Alexander Baden-Baden · 1925.??.?? · 0-1 ♜♞♝♛♚♝♞♜♟♟♟♟♟♟♟♟♟♟♟♟♟♟♟♟♜♞♝♛♚♝♞♜a8b7c6d5e4f3g2h1◀◀◀Start▶▶▶Romanishin, Oleg M — Petrosian, Tigran V URS-ch45 · 1977.??.?? · 0-1 ♜♞♝♛♚♝♞♜♟♟♟♟♟♟♟♟♟♟♟♟♟♟♟♟♜♞♝♛♚♝♞♜a8b7c6d5e4f3g2h1◀◀◀Start▶▶▶Alekhine, Alexander — Rubinstein, Akiba Baden-Baden · 1925.??.?? · 1/2-1/2 ♜♞♝♛♚♝♞♜♟♟♟♟♟♟♟♟♟♟♟♟♟♟♟♟♜♞♝♛♚♝♞♜a8b7c6d5e4f3g2h1◀◀◀Start▶▶▶Makogonov, Vladimir Andreevich — Botvinnik, Mikhail Sverdlovsk · 1943.??.?? · 0-1 ♜♞♝♛♚♝♞♜♟♟♟♟♟♟♟♟♟♟♟♟♟♟♟♟♜♞♝♛♚♝♞♜a8b7c6d5e4f3g2h1◀◀◀Start▶▶▶Botvinnik, Mikhail — Bronstein, David I URS-ch14 · 1945.??.?? · 1/2-1/2 ◀ The Extra Piece 20.6 ▶