rn5r/3kp1Np/p1p2p1n/P2p1bp1/1QpP4/5PP1/1P2P1BP/1RB1K2R w - - 2 22
FEN state: rn5r/3kp1Np/p1p2p1n/P2p1bp1/1QpP4/5PP1/1P2P1BP/1RB1K2R w - - 2 22 ; Best move: b4b7
The current state of the chess board is: Black rook at a8, black knight at b8 and black rook at h8. Black king at d7, black pawn at e7, white knight at g7 and black pawn at h7. Black pawn at a6, black pawn at c6, black pawn at f6 and black knight at h6. White pawn at a5, black pawn at d5, black bishop at f5 and black pawn at g5. White queen at b4, black pawn at c4 and white pawn at d4. White pawn at f3 and white pawn at g3. White pawn at b2, white pawn at e2, white bishop at g2 and white pawn at h2. White rook at b1, white bishop at c1, white king at e1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 22. White to move.