1rb2bn1/p1pk1ppr/n6p/1pqpp3/3P3P/P2Q1N2/1PPBPPP1/RN2KB1R b Q - 3 12
FEN state: 1rb2bn1/p1pk1ppr/n6p/1pqpp3/3P3P/P2Q1N2/1PPBPPP1/RN2KB1R b Q - 3 12 ; Best move: e5e4
The current state of the chess board is: Black rook at b8, black bishop at c8, black bishop at f8 and black knight at g8. Black pawn at a7, black pawn at c7, black king at d7, black pawn at f7, black pawn at g7 and black rook at h7. Black knight at a6 and black pawn at h6. Black pawn at b5, black queen at c5, black pawn at d5 and black pawn at e5. White pawn at d4 and white pawn at h4. White pawn at a3, white queen at d3 and white knight at f3. White pawn at b2, white pawn at c2, white bishop at d2, white pawn at e2, white pawn at f2 and white pawn at g2. White rook at a1, white knight at b1, white king at e1, white bishop at f1 and white rook at h1. White queenside is the only castle move available. Half move number is 3. Full move number is 12. Black to move.