1n2kb2/pb1np1rp/1q1r2p1/1pp2p1P/PQpPP3/4KP2/1P1NN1P1/R1B2B1R w - - 3 22
FEN state: 1n2kb2/pb1np1rp/1q1r2p1/1pp2p1P/PQpPP3/4KP2/1P1NN1P1/R1B2B1R w - - 3 22 ; Best move: b4b5
The current state of the chess board is: Black knight at b8, black king at e8 and black bishop at f8. Black pawn at a7, black bishop at b7, black knight at d7, black pawn at e7, black rook at g7 and black pawn at h7. Black queen at b6, black rook at d6 and black pawn at g6. Black pawn at b5, black pawn at c5, black pawn at f5 and white pawn at h5. White pawn at a4, white queen at b4, black pawn at c4, white pawn at d4 and white pawn at e4. White king at e3 and white pawn at f3. White pawn at b2, white knight at d2, white knight at e2 and white pawn at g2. White rook at a1, white bishop at c1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 3. Full move number is 22. White to move.