1rb2kr1/3q2b1/p1p1p3/NBp1Pp1p/3Pn3/1P3P2/PB1N2PP/R4KR1 w - - 0 23
FEN state: 1rb2kr1/3q2b1/p1p1p3/NBp1Pp1p/3Pn3/1P3P2/PB1N2PP/R4KR1 w - - 0 23 ; Best move: d2e4
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at f8 and black rook at g8. Black queen at d7 and black bishop at g7. Black pawn at a6, black pawn at c6 and black pawn at e6. White knight at a5, white bishop at b5, black pawn at c5, white pawn at e5, black pawn at f5 and black pawn at h5. White pawn at d4 and black knight at e4. White pawn at b3 and white pawn at f3. White pawn at a2, white bishop at b2, white knight at d2, white pawn at g2 and white pawn at h2. White rook at a1, white king at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 23. White to move.