1r1N1b1r/p1qk3n/n1p4p/1p1pP2P/P4Pb1/2N1B3/1PPQP1R1/R3KB2 w - - 1 24
FEN state: 1r1N1b1r/p1qk3n/n1p4p/1p1pP2P/P4Pb1/2N1B3/1PPQP1R1/R3KB2 w - - 1 24 ; Best move: a4b5
The current state of the chess board is: Black rook at b8, white knight at d8, black bishop at f8 and black rook at h8. Black pawn at a7, black queen at c7, black king at d7 and black knight at h7. Black knight at a6, black pawn at c6 and black pawn at h6. Black pawn at b5, black pawn at d5, white pawn at e5 and white pawn at h5. White pawn at a4, white pawn at f4 and black bishop at g4. White knight at c3 and white bishop at e3. White pawn at b2, white pawn at c2, white queen at d2, white pawn at e2 and white rook at g2. White rook at a1, white king at e1 and white bishop at f1. Both players have exhausted their castles. Half move number is 1. Full move number is 24. White to move.