rnbq2r1/pNpp1p2/5k2/np5p/PP1Q2pP/B3bp1R/3PP1P1/R2K1BN1 b - - 7 20
FEN state: rnbq2r1/pNpp1p2/5k2/np5p/PP1Q2pP/B3bp1R/3PP1P1/R2K1BN1 b - - 7 20 ; Best move: e3d4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8 and black rook at g8. Black pawn at a7, white knight at b7, black pawn at c7, black pawn at d7 and black pawn at f7. Black king at f6. Black knight at a5, black pawn at b5 and black pawn at h5. White pawn at a4, white pawn at b4, white queen at d4, black pawn at g4 and white pawn at h4. White bishop at a3, black bishop at e3, black pawn at f3 and white rook at h3. White pawn at d2, white pawn at e2 and white pawn at g2. White rook at a1, white king at d1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 7. Full move number is 20. Black to move.