1nb1kr2/1p1p1p1p/r2b4/pBp1pnpP/4PPQ1/BPP5/P2P3P/RN2K1NR w KQ - 0 13
FEN state: 1nb1kr2/1p1p1p1p/r2b4/pBp1pnpP/4PPQ1/BPP5/P2P3P/RN2K1NR w KQ - 0 13 ; Best move: e4f5
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8 and black rook at f8. Black pawn at b7, black pawn at d7, black pawn at f7 and black pawn at h7. Black rook at a6 and black bishop at d6. Black pawn at a5, white bishop at b5, black pawn at c5, black pawn at e5, black knight at f5, black pawn at g5 and white pawn at h5. White pawn at e4, white pawn at f4 and white queen at g4. White bishop at a3, white pawn at b3 and white pawn at c3. White pawn at a2, white pawn at d2 and white pawn at h2. 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 13. White to move.