r1b1kb1r/p2p1p1p/4p1p1/n3q3/B1pPP2n/P4NP1/1PPK1P1P/RNBQ3R w kq - 3 15
FEN state: r1b1kb1r/p2p1p1p/4p1p1/n3q3/B1pPP2n/P4NP1/1PPK1P1P/RNBQ3R w kq - 3 15 ; Best move: f3e5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at d7, black pawn at f7 and black pawn at h7. Black pawn at e6 and black pawn at g6. Black knight at a5 and black queen at e5. White bishop at a4, black pawn at c4, white pawn at d4, white pawn at e4 and black knight at h4. White pawn at a3, white knight at f3 and white pawn at g3. White pawn at b2, white pawn at c2, white king at d2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 3. Full move number is 15. White to move.