r3q1nr/p3bp1p/b2Nk3/n2pP1p1/1p1P4/1P5P/PBP1KPP1/R4BNR w - - 4 18
FEN state: r3q1nr/p3bp1p/b2Nk3/n2pP1p1/1p1P4/1P5P/PBP1KPP1/R4BNR w - - 4 18 ; Best move: e2d1
The current state of the chess board is: Black rook at a8, black queen at e8, black knight at g8 and black rook at h8. Black pawn at a7, black bishop at e7, black pawn at f7 and black pawn at h7. Black bishop at a6, white knight at d6 and black king at e6. Black knight at a5, black pawn at d5, white pawn at e5 and black pawn at g5. Black pawn at b4 and white pawn at d4. White pawn at b3 and white pawn at h3. White pawn at a2, white bishop at b2, white pawn at c2, white king at e2, white pawn at f2 and white pawn at g2. White rook at a1, white bishop at f1, 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.