rnbq2nr/1p1pk3/2p4p/p3Npp1/6P1/b3P2P/PPPP1P1R/R1BQKB2 w Q - 0 10
FEN state: rnbq2nr/1p1pk3/2p4p/p3Npp1/6P1/b3P2P/PPPP1P1R/R1BQKB2 w Q - 0 10 ; Best move: b2a3
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at d7 and black king at e7. Black pawn at c6 and black pawn at h6. Black pawn at a5, white knight at e5, black pawn at f5 and black pawn at g5. White pawn at g4. Black bishop at a3, white pawn at e3 and white pawn at h3. White pawn at a2, white pawn at b2, white pawn at c2, white pawn at d2, white pawn at f2 and white rook at h2. White rook at a1, white bishop at c1, white queen at d1, white king at e1 and white bishop at f1. White queenside is the only castle move available. Half move number is 0. Full move number is 10. White to move.