rnb3nr/pp2kp1p/4p1p1/2Pp1qN1/6P1/B1PP4/P3PP1P/2Q1KB1R w K - 1 13
FEN state: rnb3nr/pp2kp1p/4p1p1/2Pp1qN1/6P1/B1PP4/P3PP1P/2Q1KB1R w K - 1 13 ; Best move: g4f5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black king at e7, black pawn at f7 and black pawn at h7. Black pawn at e6 and black pawn at g6. White pawn at c5, black pawn at d5, black queen at f5 and white knight at g5. White pawn at g4. White bishop at a3, white pawn at c3 and white pawn at d3. White pawn at a2, white pawn at e2, white pawn at f2 and white pawn at h2. White queen at c1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 1. Full move number is 13. White to move.