b2qk3/r2n1p1r/2p1pb1p/N2p3P/P2P2n1/1p5N/1PP1PPP1/1Q2KB1R w K - 0 21
FEN state: b2qk3/r2n1p1r/2p1pb1p/N2p3P/P2P2n1/1p5N/1PP1PPP1/1Q2KB1R w K - 0 21 ; Best move: a5b3
The current state of the chess board is: Black bishop at a8, black queen at d8 and black king at e8. Black rook at a7, black knight at d7, black pawn at f7 and black rook at h7. Black pawn at c6, black pawn at e6, black bishop at f6 and black pawn at h6. White knight at a5, black pawn at d5 and white pawn at h5. White pawn at a4, white pawn at d4 and black knight at g4. Black pawn at b3 and white knight at h3. White pawn at b2, white pawn at c2, white pawn at e2, white pawn at f2 and white pawn at g2. White queen at b1, 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 0. Full move number is 21. White to move.