r1bq3r/3pk1pp/2n1p2n/P1p5/P5P1/1R1p3N/1b1P1P1P/1NBK2R1 b - - 3 20
FEN state: r1bq3r/3pk1pp/2n1p2n/P1p5/P5P1/1R1p3N/1b1P1P1P/1NBK2R1 b - - 3 20 ; Best move: b2c1
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8 and black rook at h8. Black pawn at d7, black king at e7, black pawn at g7 and black pawn at h7. Black knight at c6, black pawn at e6 and black knight at h6. White pawn at a5 and black pawn at c5. White pawn at a4 and white pawn at g4. White rook at b3, black pawn at d3 and white knight at h3. Black bishop at b2, white pawn at d2, white pawn at f2 and white pawn at h2. White knight at b1, white bishop at c1, white king at d1 and white rook at g1. Both players have exhausted their castles. Half move number is 3. Full move number is 20. Black to move.