r1b3r1/bpp3pp/q3p1k1/p4p2/6nP/P1NPP2R/1PnBNP2/RQ4KB w - - 0 21
FEN state: r1b3r1/bpp3pp/q3p1k1/p4p2/6nP/P1NPP2R/1PnBNP2/RQ4KB w - - 0 21 ; Best move: b1c2
The current state of the chess board is: Black rook at a8, black bishop at c8 and black rook at g8. Black bishop at a7, black pawn at b7, black pawn at c7, black pawn at g7 and black pawn at h7. Black queen at a6, black pawn at e6 and black king at g6. Black pawn at a5 and black pawn at f5. Black knight at g4 and white pawn at h4. White pawn at a3, white knight at c3, white pawn at d3, white pawn at e3 and white rook at h3. White pawn at b2, black knight at c2, white bishop at d2, white knight at e2 and white pawn at f2. White rook at a1, white queen at b1, white king at g1 and white bishop at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. White to move.