1r2kb1r/p1p1pp1p/np1p2p1/1N3q2/1P1N4/2nPPP2/b1R3PP/2BQKB1R w Kk - 1 15
FEN state: 1r2kb1r/p1p1pp1p/np1p2p1/1N3q2/1P1N4/2nPPP2/b1R3PP/2BQKB1R w Kk - 1 15 ; Best move: b5c3
The current state of the chess board is: Black rook at b8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at e7, black pawn at f7 and black pawn at h7. Black knight at a6, black pawn at b6, black pawn at d6 and black pawn at g6. White knight at b5 and black queen at f5. White pawn at b4 and white knight at d4. Black knight at c3, white pawn at d3, white pawn at e3 and white pawn at f3. Black bishop at a2, white rook at c2, white pawn at g2 and white pawn at h2. White bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside and black kingside castles are available. Half move number is 1. Full move number is 15. White to move.