[Event "?"]

[Site "?"]

[Date "????.??.??"]

[Round "?"]

[White "Josten, Gerhard"]

[Black "Study + Pawn on c4"]

[Result "*"]

[SetUp "1"]

[FEN "5K1B/4p3/P7/8/2P2P2/1k2P1n1/7P/7r w - - 0 1"]

[Link "https://www.chess.com/analysis/game/pgn/2kBYMjAzw8/analysis"]

1. a7 Rxh2 2. Bb2 Kxb2 (2... Rxb2 3. a8=Q) 3. Kg8 (3. Kg7 Nf5+ 4. Kg8 Nh6+ (4...

Rg2+ 5. Kh8 Rh2+ 6. Kg8) 5. Kh8 (5. Kf8 Rg2) 5... Nf5+ 6. Kg8) 3... Nf5 4. a8=Q

*;

[Event "?"]

[Site "?"]

[Date "????.??.??"]

[Round "?"]

[White "?"]

[Black "?"]

[Result "*"]

[SetUp "1"]

[FEN "r1bqkb1r/1p1n1ppp/p1pppn2/6B1/P2P4/4P1P1/1PP1NPBP/RN1QK2R b KQkq - 0 1"]

[Link "https://www.chess.com/a/GWqySqfCuDq8/analysis"]

1... Qa5+ 2. b4 (2. Nbc3 Qxg5) 2... Qxg5 (2... Qxb4+ 3. Nd2 Qa5 4. Bxf6 Nxf6 5.

O-O) *