rn2k2r/1p1bB1p1/p1p1p1Pp/8/4P1pN/2PP4/P5PR/RN2KB2 b - - 6 21
FEN state: rn2k2r/1p1bB1p1/p1p1p1Pp/8/4P1pN/2PP4/P5PR/RN2KB2 b - - 6 21 ; Best move: e8e7
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8 and black rook at h8. Black pawn at b7, black bishop at d7, white bishop at e7 and black pawn at g7. Black pawn at a6, black pawn at c6, black pawn at e6, white pawn at g6 and black pawn at h6. White pawn at e4, black pawn at g4 and white knight at h4. White pawn at c3 and white pawn at d3. White pawn at a2, white pawn at g2 and white rook at h2. White rook at a1, white knight at b1, white king at e1 and white bishop at f1. Both players have exhausted their castles. Half move number is 6. Full move number is 21. Black to move.