rn1k2nr/ppq1b2p/5pp1/3pp3/P1P1P1P1/Np1P4/Q1B1K1PP/R1B3NR w - - 0 18
FEN state: rn1k2nr/ppq1b2p/5pp1/3pp3/P1P1P1P1/Np1P4/Q1B1K1PP/R1B3NR w - - 0 18 ; Best move: a2b3
The current state of the chess board is: Black rook at a8, black knight at b8, black king at d8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black queen at c7, black bishop at e7 and black pawn at h7. Black pawn at f6 and black pawn at g6. Black pawn at d5 and black pawn at e5. White pawn at a4, white pawn at c4, white pawn at e4 and white pawn at g4. White knight at a3, black pawn at b3 and white pawn at d3. White queen at a2, white bishop at c2, white king at e2, white pawn 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 0. Full move number is 18. White to move.