rnbk1bn1/3pp1p1/1pp2p1r/1P5p/1p1P4/N4P1P/P1K1P1P1/R1BQ1BNR b - - 0 12
FEN state: rnbk1bn1/3pp1p1/1pp2p1r/1P5p/1p1P4/N4P1P/P1K1P1P1/R1BQ1BNR b - - 0 12 ; Best move: b4a3
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at d8, black bishop at f8 and black knight at g8. Black pawn at d7, black pawn at e7 and black pawn at g7. Black pawn at b6, black pawn at c6, black pawn at f6 and black rook at h6. White pawn at b5 and black pawn at h5. Black pawn at b4 and white pawn at d4. White knight at a3, white pawn at f3 and white pawn at h3. White pawn at a2, white king at c2, white pawn at e2 and white pawn at g2. White rook at a1, white bishop at c1, white queen at d1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 12. Black to move.