rn3b2/pq2ppp1/1p2kNPr/7p/2pP1P2/P3P3/2P1b1NP/B1RnKB1R w K - 0 21
FEN state: rn3b2/pq2ppp1/1p2kNPr/7p/2pP1P2/P3P3/2P1b1NP/B1RnKB1R w K - 0 21 ; Best move: d4d5
The current state of the chess board is: Black rook at a8, black knight at b8 and black bishop at f8. Black pawn at a7, black queen at b7, black pawn at e7, black pawn at f7 and black pawn at g7. Black pawn at b6, black king at e6, white knight at f6, white pawn at g6 and black rook at h6. Black pawn at h5. Black pawn at c4, white pawn at d4 and white pawn at f4. White pawn at a3 and white pawn at e3. White pawn at c2, black bishop at e2, white knight at g2 and white pawn at h2. White bishop at a1, white rook at c1, black knight at d1, 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.