rnbk3r/2p4p/p3P1p1/1p6/1b1p2q1/PnP2PRP/RP3N2/1NBQKB2 b - - 0 20
FEN state: rnbk3r/2p4p/p3P1p1/1p6/1b1p2q1/PnP2PRP/RP3N2/1NBQKB2 b - - 0 20 ; Best move: g4g3
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at d8 and black rook at h8. Black pawn at c7 and black pawn at h7. Black pawn at a6, white pawn at e6 and black pawn at g6. Black pawn at b5. Black bishop at b4, black pawn at d4 and black queen at g4. White pawn at a3, black knight at b3, white pawn at c3, white pawn at f3, white rook at g3 and white pawn at h3. White rook at a2, white pawn at b2 and white knight at f2. White knight at b1, white bishop at c1, white queen at d1, white king at e1 and white bishop at f1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. Black to move.