rnb1k1nr/1p1p3p/p4bp1/P2N1pP1/1p4P1/3pPP2/1RPBB3/Q3K1NR w K - 2 18
FEN state: rnb1k1nr/1p1p3p/p4bp1/P2N1pP1/1p4P1/3pPP2/1RPBB3/Q3K1NR w K - 2 18 ; Best move: g5f6
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at d7 and black pawn at h7. Black pawn at a6, black bishop at f6 and black pawn at g6. White pawn at a5, white knight at d5, black pawn at f5 and white pawn at g5. Black pawn at b4 and white pawn at g4. Black pawn at d3, white pawn at e3 and white pawn at f3. White rook at b2, white pawn at c2, white bishop at d2 and white bishop at e2. White queen at a1, white king at e1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 2. Full move number is 18. White to move.