1r2kbr1/pp4pp/n2p1p2/2p1p1P1/Nq2nPK1/PP1P4/1P1QP1BP/R1B3NR w - - 4 18
FEN state: 1r2kbr1/pp4pp/n2p1p2/2p1p1P1/Nq2nPK1/PP1P4/1P1QP1BP/R1B3NR w - - 4 18 ; Best move: a3b4
The current state of the chess board is: Black rook at b8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at a7, black pawn at b7, black pawn at g7 and black pawn at h7. Black knight at a6, black pawn at d6 and black pawn at f6. Black pawn at c5, black pawn at e5 and white pawn at g5. White knight at a4, black queen at b4, black knight at e4, white pawn at f4 and white king at g4. White pawn at a3, white pawn at b3 and white pawn at d3. White pawn at b2, white queen at d2, white pawn at e2, white bishop at g2 and white pawn at h2. White rook at a1, white bishop at c1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 18. White to move.