rq3r2/p3nk1p/np3NN1/1bP2Pb1/3p2p1/P2PB3/1K2P1PP/R2Q1B1R w - - 3 23
FEN state: rq3r2/p3nk1p/np3NN1/1bP2Pb1/3p2p1/P2PB3/1K2P1PP/R2Q1B1R w - - 3 23 ; Best move: d1b3
The current state of the chess board is: Black rook at a8, black queen at b8 and black rook at f8. Black pawn at a7, black knight at e7, black king at f7 and black pawn at h7. Black knight at a6, black pawn at b6, white knight at f6 and white knight at g6. Black bishop at b5, white pawn at c5, white pawn at f5 and black bishop at g5. Black pawn at d4 and black pawn at g4. White pawn at a3, white pawn at d3 and white bishop at e3. White king at b2, white pawn at e2, white pawn at g2 and white pawn at h2. White rook at a1, white queen at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 3. Full move number is 23. White to move.