rn5r/p1N1kpRp/bp1p4/4p3/PP3BB1/3p4/2P1PK1P/RQ6 w - - 1 23
FEN state: rn5r/p1N1kpRp/bp1p4/4p3/PP3BB1/3p4/2P1PK1P/RQ6 w - - 1 23 ; Best move: b1a2
The current state of the chess board is: Black rook at a8, black knight at b8 and black rook at h8. Black pawn at a7, white knight at c7, black king at e7, black pawn at f7, white rook at g7 and black pawn at h7. Black bishop at a6, black pawn at b6 and black pawn at d6. Black pawn at e5. White pawn at a4, white pawn at b4, white bishop at f4 and white bishop at g4. Black pawn at d3. White pawn at c2, white pawn at e2, white king at f2 and white pawn at h2. White rook at a1 and white queen at b1. Both players have exhausted their castles. Half move number is 1. Full move number is 23. White to move.