rnb1kbn1/1p2ppr1/p1pp3p/6pN/2P1q3/BP6/3PBPPP/RN1QR1K1 w q - 2 13
FEN state: rnb1kbn1/1p2ppr1/p1pp3p/6pN/2P1q3/BP6/3PBPPP/RN1QR1K1 w q - 2 13 ; Best move: b1c3
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 bishop at f8 and black knight at g8. Black pawn at b7, black pawn at e7, black pawn at f7 and black rook at g7. Black pawn at a6, black pawn at c6, black pawn at d6 and black pawn at h6. Black pawn at g5 and white knight at h5. White pawn at c4 and black queen at e4. White bishop at a3 and white pawn at b3. White pawn at d2, white bishop at e2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white queen at d1, white rook at e1 and white king at g1. Black queenside is the only castle move available. Half move number is 2. Full move number is 13. White to move.