r1b4r/npp2p1p/p2kp1pn/3p1q2/1P2P3/P2P3P/1P1B1PP1/RN2KBNR b KQ - 0 13
FEN state: r1b4r/npp2p1p/p2kp1pn/3p1q2/1P2P3/P2P3P/1P1B1PP1/RN2KBNR b KQ - 0 13 ; Best move: f5f6
The current state of the chess board is: Black rook at a8, black bishop at c8 and black rook at h8. Black knight at a7, black pawn at b7, black pawn at c7, black pawn at f7 and black pawn at h7. Black pawn at a6, black king at d6, black pawn at e6, black pawn at g6 and black knight at h6. Black pawn at d5 and black queen at f5. White pawn at b4 and white pawn at e4. White pawn at a3, white pawn at d3 and white pawn at h3. White pawn at b2, white bishop at d2, 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, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 0. Full move number is 13. Black to move.