2b1k1nr/rp1pp1b1/p1p2p1p/1q2n3/1P4pP/N1BPP1PR/P1P1QPB1/R3K1N1 w Qk - 4 13
FEN state: 2b1k1nr/rp1pp1b1/p1p2p1p/1q2n3/1P4pP/N1BPP1PR/P1P1QPB1/R3K1N1 w Qk - 4 13 ; Best move: a3b5
The current state of the chess board is: Black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black rook at a7, black pawn at b7, black pawn at d7, black pawn at e7 and black bishop at g7. Black pawn at a6, black pawn at c6, black pawn at f6 and black pawn at h6. Black queen at b5 and black knight at e5. White pawn at b4, black pawn at g4 and white pawn at h4. White knight at a3, white bishop at c3, white pawn at d3, white pawn at e3, white pawn at g3 and white rook at h3. White pawn at a2, white pawn at c2, white queen at e2, white pawn at f2 and white bishop at g2. White rook at a1, white king at e1 and white knight at g1. White queenside and black kingside castles are available. Half move number is 4. Full move number is 13. White to move.