rn3bnr/1pk4p/2p2pp1/p2pPPN1/P1B1P3/4K3/P1Q3PP/RNB4R b - - 0 20
FEN state: rn3bnr/1pk4p/2p2pp1/p2pPPN1/P1B1P3/4K3/P1Q3PP/RNB4R b - - 0 20 ; Best move: d5d4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7, black king at c7 and black pawn at h7. Black pawn at c6, black pawn at f6 and black pawn at g6. Black pawn at a5, black pawn at d5, white pawn at e5, white pawn at f5 and white knight at g5. White pawn at a4, white bishop at c4 and white pawn at e4. White king at e3. White pawn at a2, white queen at c2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. Black to move.