rn1k1b2/1q2pp1p/p2pb2p/4P1r1/1pP1Q3/3P1PPN/PP1N3P/R2K1B1R w - - 1 21
FEN state: rn1k1b2/1q2pp1p/p2pb2p/4P1r1/1pP1Q3/3P1PPN/PP1N3P/R2K1B1R w - - 1 21 ; Best move: e4b7
The current state of the chess board is: Black rook at a8, black knight at b8, black king at d8 and black bishop at f8. Black queen at b7, black pawn at e7, black pawn at f7 and black pawn at h7. Black pawn at a6, black pawn at d6, black bishop at e6 and black pawn at h6. White pawn at e5 and black rook at g5. Black pawn at b4, white pawn at c4 and white queen at e4. White pawn at d3, white pawn at f3, white pawn at g3 and white knight at h3. White pawn at a2, white pawn at b2, white knight at d2 and white pawn at h2. White rook at a1, white king at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 21. White to move.