rnb2b2/1p2pk2/5ppr/pq1p2P1/NPPP4/1Q3P1p/P3PN1P/1RB1KB1R w K - 6 23
FEN state: rnb2b2/1p2pk2/5ppr/pq1p2P1/NPPP4/1Q3P1p/P3PN1P/1RB1KB1R w K - 6 23 ; Best move: c4b5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black bishop at f8. Black pawn at b7, black pawn at e7 and black king at f7. Black pawn at f6, black pawn at g6 and black rook at h6. Black pawn at a5, black queen at b5, black pawn at d5 and white pawn at g5. White knight at a4, white pawn at b4, white pawn at c4 and white pawn at d4. White queen at b3, white pawn at f3 and black pawn at h3. White pawn at a2, white pawn at e2, white knight at f2 and white pawn at h2. White rook at b1, white bishop 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 6. Full move number is 23. White to move.