1rb1k1n1/p1p5/np2p1p1/1P3pNr/3p4/3BP3/PBPP1PPP/RN3K1R w - - 1 15
FEN state: 1rb1k1n1/p1p5/np2p1p1/1P3pNr/3p4/3BP3/PBPP1PPP/RN3K1R w - - 1 15 ; Best move: b5a6
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8 and black knight at g8. Black pawn at a7 and black pawn at c7. Black knight at a6, black pawn at b6, black pawn at e6 and black pawn at g6. White pawn at b5, black pawn at f5, white knight at g5 and black rook at h5. Black pawn at d4. White bishop at d3 and white pawn at e3. White pawn at a2, white bishop at b2, white pawn at c2, white pawn at d2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white king at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 15. White to move.