1r3b1r/1pp2p1p/2nkBq1n/p5p1/P2pPp1P/1PP2b2/R2P1K1N/1NB4R w - - 0 21
FEN state: 1r3b1r/1pp2p1p/2nkBq1n/p5p1/P2pPp1P/1PP2b2/R2P1K1N/1NB4R w - - 0 21 ; Best move: h2f3
The current state of the chess board is: Black rook at b8, black bishop at f8 and black rook at h8. Black pawn at b7, black pawn at c7, black pawn at f7 and black pawn at h7. Black knight at c6, black king at d6, white bishop at e6, black queen at f6 and black knight at h6. Black pawn at a5 and black pawn at g5. White pawn at a4, black pawn at d4, white pawn at e4, black pawn at f4 and white pawn at h4. White pawn at b3, white pawn at c3 and black bishop at f3. White rook at a2, white pawn at d2, white king at f2 and white knight at h2. White knight at b1, white bishop at c1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. White to move.