rn5b/1ppk1p2/p2Pbqpr/P3p1Pp/1PQP4/2n2N1P/1RP2P2/2B1KB1R b - - 1 20
FEN state: rn5b/1ppk1p2/p2Pbqpr/P3p1Pp/1PQP4/2n2N1P/1RP2P2/2B1KB1R b - - 1 20 ; Best move: e6c4
The current state of the chess board is: Black rook at a8, black knight at b8 and black bishop at h8. Black pawn at b7, black pawn at c7, black king at d7 and black pawn at f7. Black pawn at a6, white pawn at d6, black bishop at e6, black queen at f6, black pawn at g6 and black rook at h6. White pawn at a5, black pawn at e5, white pawn at g5 and black pawn at h5. White pawn at b4, white queen at c4 and white pawn at d4. Black knight at c3, white knight at f3 and white pawn at h3. White rook at b2, white pawn at c2 and white pawn at f2. White bishop at c1, white king at e1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 20. Black to move.