rn5r/pb1p3p/2R1k1p1/4Ppn1/3P4/2P3RN/RP3P1P/1NBQKB2 b - - 2 18
FEN state: rn5r/pb1p3p/2R1k1p1/4Ppn1/3P4/2P3RN/RP3P1P/1NBQKB2 b - - 2 18 ; Best move: e6f7
The current state of the chess board is: Black rook at a8, black knight at b8 and black rook at h8. Black pawn at a7, black bishop at b7, black pawn at d7 and black pawn at h7. White rook at c6, black king at e6 and black pawn at g6. White pawn at e5, black pawn at f5 and black knight at g5. White pawn at d4. White pawn at c3, white rook at g3 and white knight at h3. White rook at a2, white pawn at b2, white pawn at f2 and white pawn at h2. White knight at b1, white bishop at c1, white queen at d1, white king at e1 and white bishop at f1. Both players have exhausted their castles. Half move number is 2. Full move number is 18. Black to move.