rn2kb1r/1pp1p2p/p3qp1n/1b1p4/1PNP2pP/B1K2NP1/P1P1PP2/R1Q2BR1 w kq - 12 15
FEN state: rn2kb1r/1pp1p2p/p3qp1n/1b1p4/1PNP2pP/B1K2NP1/P1P1PP2/R1Q2BR1 w kq - 12 15 ; Best move: c4e3
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at b7, black pawn at c7, black pawn at e7 and black pawn at h7. Black pawn at a6, black queen at e6, black pawn at f6 and black knight at h6. Black bishop at b5 and black pawn at d5. White pawn at b4, white knight at c4, white pawn at d4, black pawn at g4 and white pawn at h4. White bishop at a3, white king at c3, white knight at f3 and white pawn at g3. White pawn at a2, white pawn at c2, white pawn at e2 and white pawn at f2. White rook at a1, white queen at c1, white bishop at f1 and white rook at g1. Black kingside and black queenside castles are available. Half move number is 12. Full move number is 15. White to move.