rnb2b2/pp1k4/3pp1P1/1p5n/PQP4r/3PpP2/RB2P1BP/4KR2 w - - 4 22
FEN state: rnb2b2/pp1k4/3pp1P1/1p5n/PQP4r/3PpP2/RB2P1BP/4KR2 w - - 4 22 ; Best move: a4b5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black bishop at f8. Black pawn at a7, black pawn at b7 and black king at d7. Black pawn at d6, black pawn at e6 and white pawn at g6. Black pawn at b5 and black knight at h5. White pawn at a4, white queen at b4, white pawn at c4 and black rook at h4. White pawn at d3, black pawn at e3 and white pawn at f3. White rook at a2, white bishop at b2, white pawn at e2, white bishop at g2 and white pawn at h2. White king at e1 and white rook at f1. Both players have exhausted their castles. Half move number is 4. Full move number is 22. White to move.