1rb1k1nr/p2q2p1/npp4B/3pPpQ1/1b6/N1P2PP1/PP2PK1P/R4BNR b k - 0 11
FEN state: 1rb1k1nr/p2q2p1/npp4B/3pPpQ1/1b6/N1P2PP1/PP2PK1P/R4BNR b k - 0 11 ; Best move: b4c5
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black queen at d7 and black pawn at g7. Black knight at a6, black pawn at b6, black pawn at c6 and white bishop at h6. Black pawn at d5, white pawn at e5, black pawn at f5 and white queen at g5. Black bishop at b4. White knight at a3, white pawn at c3, white pawn at f3 and white pawn at g3. White pawn at a2, white pawn at b2, white pawn at e2, white king at f2 and white pawn at h2. White rook at a1, white bishop at f1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 0. Full move number is 11. Black to move.