r1b1k1nr/pp1n2Bp/4p3/2pp4/2q1P1P1/PP5P/3P1P1b/RN1QK1N1 w Qkq - 0 13
FEN state: r1b1k1nr/pp1n2Bp/4p3/2pp4/2q1P1P1/PP5P/3P1P1b/RN1QK1N1 w Qkq - 0 13 ; Best move: b3c4
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 knight at d7, white bishop at g7 and black pawn at h7. Black pawn at e6. Black pawn at c5 and black pawn at d5. Black queen at c4, white pawn at e4 and white pawn at g4. White pawn at a3, white pawn at b3 and white pawn at h3. White pawn at d2, white pawn at f2 and black bishop at h2. White rook at a1, white knight at b1, white queen at d1, white king at e1 and white knight at g1. White queenside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 13. White to move.