r1b1k1nr/pp1pb3/nqp3pp/1N2PpP1/8/P1P2N2/1P1PP2P/1RBQKB1R b Kkq - 1 13
FEN state: r1b1k1nr/pp1pb3/nqp3pp/1N2PpP1/8/P1P2N2/1P1PP2P/1RBQKB1R b Kkq - 1 13 ; Best move: c6b5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at d7 and black bishop at e7. Black knight at a6, black queen at b6, black pawn at c6, black pawn at g6 and black pawn at h6. White knight at b5, white pawn at e5, black pawn at f5 and white pawn at g5. White pawn at a3, white pawn at c3 and white knight at f3. White pawn at b2, white pawn at d2, white pawn at e2 and white pawn at h2. White rook at b1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside, black kingside and black queenside castles are available. Half move number is 1. Full move number is 13. Black to move.