r1b2rk1/p1np3p/n1P1p1p1/3q1p2/P1p3P1/4PNNP/3PBP2/Q1BK2R1 b - - 2 23
FEN state: r1b2rk1/p1np3p/n1P1p1p1/3q1p2/P1p3P1/4PNNP/3PBP2/Q1BK2R1 b - - 2 23 ; Best move: f5g4
The current state of the chess board is: Black rook at a8, black bishop at c8, black rook at f8 and black king at g8. Black pawn at a7, black knight at c7, black pawn at d7 and black pawn at h7. Black knight at a6, white pawn at c6, black pawn at e6 and black pawn at g6. Black queen at d5 and black pawn at f5. White pawn at a4, black pawn at c4 and white pawn at g4. White pawn at e3, white knight at f3, white knight at g3 and white pawn at h3. White pawn at d2, white bishop at e2 and white pawn at f2. White queen at a1, white bishop at c1, white king at d1 and white rook at g1. Both players have exhausted their castles. Half move number is 2. Full move number is 23. Black to move.