2kr1br1/p2b1p1p/1qB2nN1/2pP1p2/3P4/NQP5/nP3KPP/R1B1R3 b - - 4 20
FEN state: 2kr1br1/p2b1p1p/1qB2nN1/2pP1p2/3P4/NQP5/nP3KPP/R1B1R3 b - - 4 20 ; Best move: b6b3
The current state of the chess board is: Black king at c8, black rook at d8, black bishop at f8 and black rook at g8. Black pawn at a7, black bishop at d7, black pawn at f7 and black pawn at h7. Black queen at b6, white bishop at c6, black knight at f6 and white knight at g6. Black pawn at c5, white pawn at d5 and black pawn at f5. White pawn at d4. White knight at a3, white queen at b3 and white pawn at c3. Black knight at a2, white pawn at b2, white king at f2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at c1 and white rook at e1. Both players have exhausted their castles. Half move number is 4. Full move number is 20. Black to move.