r1b1kbnr/2p1p1pp/p1q2p2/1pP2P2/3nP1P1/B2QK2N/P2P3P/3R1BR1 b k - 2 20
FEN state: r1b1kbnr/2p1p1pp/p1q2p2/1pP2P2/3nP1P1/B2QK2N/P2P3P/3R1BR1 b k - 2 20 ; Best move: e7e5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at c7, black pawn at e7, black pawn at g7 and black pawn at h7. Black pawn at a6, black queen at c6 and black pawn at f6. Black pawn at b5, white pawn at c5 and white pawn at f5. Black knight at d4, white pawn at e4 and white pawn at g4. White bishop at a3, white queen at d3, white king at e3 and white knight at h3. White pawn at a2, white pawn at d2 and white pawn at h2. White rook at d1, white bishop at f1 and white rook at g1. Black kingside is the only castle move available. Half move number is 2. Full move number is 20. Black to move.