r1bqk2r/p1p4p/2n1pn1b/Bp1p1P2/3PPp2/7N/PPP3BP/RNQ1KR2 w Qkq - 0 13
FEN state: r1bqk2r/p1p4p/2n1pn1b/Bp1p1P2/3PPp2/7N/PPP3BP/RNQ1KR2 w Qkq - 0 13 ; Best move: e4e5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at c7 and black pawn at h7. Black knight at c6, black pawn at e6, black knight at f6 and black bishop at h6. White bishop at a5, black pawn at b5, black pawn at d5 and white pawn at f5. White pawn at d4, white pawn at e4 and black pawn at f4. White knight at h3. White pawn at a2, white pawn at b2, white pawn at c2, white bishop at g2 and white pawn at h2. White rook at a1, white knight at b1, white queen at c1, white king at e1 and white rook at f1. White queenside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 13. White to move.