4rkr1/1p1nb2p/1q2pp2/p1ppBPp1/P4P2/1PPP2PN/6BP/1NRQK2R b - - 1 23
FEN state: 4rkr1/1p1nb2p/1q2pp2/p1ppBPp1/P4P2/1PPP2PN/6BP/1NRQK2R b - - 1 23 ; Best move: e6f5
The current state of the chess board is: Black rook at e8, black king at f8 and black rook at g8. Black pawn at b7, black knight at d7, black bishop at e7 and black pawn at h7. Black queen at b6, black pawn at e6 and black pawn at f6. Black pawn at a5, black pawn at c5, black pawn at d5, white bishop at e5, white pawn at f5 and black pawn at g5. White pawn at a4 and white pawn at f4. White pawn at b3, white pawn at c3, white pawn at d3, white pawn at g3 and white knight at h3. White bishop at g2 and white pawn at h2. White knight at b1, white rook at c1, white queen at d1, white king at e1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 23. Black to move.