rnbr4/p1pp3p/1p3kp1/4ppb1/PP2P1n1/2NP2qP/1BP1K1B1/1R3QNR b - - 2 20
FEN state: rnbr4/p1pp3p/1p3kp1/4ppb1/PP2P1n1/2NP2qP/1BP1K1B1/1R3QNR b - - 2 20 ; Best move: g3e3
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black rook at d8. Black pawn at a7, black pawn at c7, black pawn at d7 and black pawn at h7. Black pawn at b6, black king at f6 and black pawn at g6. Black pawn at e5, black pawn at f5 and black bishop at g5. White pawn at a4, white pawn at b4, white pawn at e4 and black knight at g4. White knight at c3, white pawn at d3, black queen at g3 and white pawn at h3. White bishop at b2, white pawn at c2, white king at e2 and white bishop at g2. White rook at b1, white queen at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 20. Black to move.