rnb3n1/p3k1pr/2p4p/4pp2/QbPq1P2/Bp1P2KP/PP2P1PR/R4BN1 b - - 0 20
FEN state: rnb3n1/p3k1pr/2p4p/4pp2/QbPq1P2/Bp1P2KP/PP2P1PR/R4BN1 b - - 0 20 ; Best move: d4f4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black knight at g8. Black pawn at a7, black king at e7, black pawn at g7 and black rook at h7. Black pawn at c6 and black pawn at h6. Black pawn at e5 and black pawn at f5. White queen at a4, black bishop at b4, white pawn at c4, black queen at d4 and white pawn at f4. White bishop at a3, black pawn at b3, white pawn at d3, white king at g3 and white pawn at h3. White pawn at a2, white pawn at b2, white pawn at e2, white pawn at g2 and white rook at h2. White rook at a1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. Black to move.