rn2kb2/5ppr/p1p4p/qp1pN3/1PPPn1b1/PQ4BP/4PP2/RN2KB1R w KQq - 2 15
FEN state: rn2kb2/5ppr/p1p4p/qp1pN3/1PPPn1b1/PQ4BP/4PP2/RN2KB1R w KQq - 2 15 ; Best move: b4a5
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8 and black bishop at f8. Black pawn at f7, black pawn at g7 and black rook at h7. Black pawn at a6, black pawn at c6 and black pawn at h6. Black queen at a5, black pawn at b5, black pawn at d5 and white knight at e5. White pawn at b4, white pawn at c4, white pawn at d4, black knight at e4 and black bishop at g4. White pawn at a3, white queen at b3, white bishop at g3 and white pawn at h3. White pawn at e2 and white pawn at f2. White rook at a1, white knight at b1, white king at e1, white bishop at f1 and white rook at h1. White kingside, white queenside and black queenside castles are available. Half move number is 2. Full move number is 15. White to move.