r1bqkbnr/4p3/p1ppP2p/1pn2p2/5PP1/1PP5/P2PK1P1/RNBQ1BNR w k - 1 13
FEN state: r1bqkbnr/4p3/p1ppP2p/1pn2p2/5PP1/1PP5/P2PK1P1/RNBQ1BNR w k - 1 13 ; Best move: g4f5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at e7. Black pawn at a6, black pawn at c6, black pawn at d6, white pawn at e6 and black pawn at h6. Black pawn at b5, black knight at c5 and black pawn at f5. White pawn at f4 and white pawn at g4. White pawn at b3 and white pawn at c3. White pawn at a2, white pawn at d2, white king at e2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white bishop at f1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 1. Full move number is 13. White to move.