r1b3r1/p2k1pbp/n2pp2P/q1p1Pnp1/N1P2PR1/p7/1P1PB1P1/1RBQK1N1 b - - 4 23
FEN state: r1b3r1/p2k1pbp/n2pp2P/q1p1Pnp1/N1P2PR1/p7/1P1PB1P1/1RBQK1N1 b - - 4 23 ; Best move: a3a2
The current state of the chess board is: Black rook at a8, black bishop at c8 and black rook at g8. Black pawn at a7, black king at d7, black pawn at f7, black bishop at g7 and black pawn at h7. Black knight at a6, black pawn at d6, black pawn at e6 and white pawn at h6. Black queen at a5, black pawn at c5, white pawn at e5, black knight at f5 and black pawn at g5. White knight at a4, white pawn at c4, white pawn at f4 and white rook at g4. Black pawn at a3. White pawn at b2, white pawn at d2, white bishop at e2 and white pawn at g2. White rook at b1, white bishop at c1, white queen at d1, white king at e1 and white knight at g1. Both players have exhausted their castles. Half move number is 4. Full move number is 23. Black to move.