2kr1br1/7p/n1pq3n/pN1ppbQ1/1P2P1P1/2PP3N/P4PBP/R1B1K1R1 w Q - 1 18
FEN state: 2kr1br1/7p/n1pq3n/pN1ppbQ1/1P2P1P1/2PP3N/P4PBP/R1B1K1R1 w Q - 1 18 ; Best move: b5d6
The current state of the chess board is: Black king at c8, black rook at d8, black bishop at f8 and black rook at g8. Black pawn at h7. Black knight at a6, black pawn at c6, black queen at d6 and black knight at h6. Black pawn at a5, white knight at b5, black pawn at d5, black pawn at e5, black bishop at f5 and white queen at g5. White pawn at b4, white pawn at e4 and white pawn at g4. White pawn at c3, white pawn at d3 and white knight at h3. White pawn at a2, white pawn at f2, white bishop at g2 and white pawn at h2. White rook at a1, white bishop at c1, white king at e1 and white rook at g1. White queenside is the only castle move available. Half move number is 1. Full move number is 18. White to move.