rn2nbr1/ppqbk3/P2p1ppB/2p1p3/1PP1P3/3P4/4NPPP/RN2KB1R w - - 0 23
FEN state: rn2nbr1/ppqbk3/P2p1ppB/2p1p3/1PP1P3/3P4/4NPPP/RN2KB1R w - - 0 23 ; Best move: b1c3
The current state of the chess board is: Black rook at a8, black knight at b8, black knight at e8, black bishop at f8 and black rook at g8. Black pawn at a7, black pawn at b7, black queen at c7, black bishop at d7 and black king at e7. White pawn at a6, black pawn at d6, black pawn at f6, black pawn at g6 and white bishop at h6. Black pawn at c5 and black pawn at e5. White pawn at b4, white pawn at c4 and white pawn at e4. White pawn at d3. White knight at e2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white king at e1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 23. White to move.