rn3r2/p1pp1kb1/bp2qp2/P3p1pp/1PPPP1Pn/B2Q1P1P/6B1/RN2K1NR w KQ - 0 15
FEN state: rn3r2/p1pp1kb1/bp2qp2/P3p1pp/1PPPP1Pn/B2Q1P1P/6B1/RN2K1NR w KQ - 0 15 ; Best move: d4d5
The current state of the chess board is: Black rook at a8, black knight at b8 and black rook at f8. Black pawn at a7, black pawn at c7, black pawn at d7, black king at f7 and black bishop at g7. Black bishop at a6, black pawn at b6, black queen at e6 and black pawn at f6. White pawn at a5, black pawn at e5, black pawn at g5 and black pawn at h5. White pawn at b4, white pawn at c4, white pawn at d4, white pawn at e4, white pawn at g4 and black knight at h4. White bishop at a3, white queen at d3, white pawn at f3 and white pawn at h3. White bishop at g2. White rook at a1, white knight at b1, white king at e1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 0. Full move number is 15. White to move.