r1b3nr/p2pkp1p/1p2p1pb/1Bp1B3/1P2Qn2/N3P2P/P1PK2P1/3R2NR w - - 6 18
FEN state: r1b3nr/p2pkp1p/1p2p1pb/1Bp1B3/1P2Qn2/N3P2P/P1PK2P1/3R2NR w - - 6 18 ; Best move: e4a8
The current state of the chess board is: Black rook at a8, black bishop at c8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at d7, black king at e7, black pawn at f7 and black pawn at h7. Black pawn at b6, black pawn at e6, black pawn at g6 and black bishop at h6. White bishop at b5, black pawn at c5 and white bishop at e5. White pawn at b4, white queen at e4 and black knight at f4. White knight at a3, white pawn at e3 and white pawn at h3. White pawn at a2, white pawn at c2, white king at d2 and white pawn at g2. White rook at d1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 6. Full move number is 18. White to move.