rnbq1r2/pp1pk1b1/6p1/2p2p2/1PN4R/PRP2P2/3B1PB1/3QK1N1 w - - 0 20
FEN state: rnbq1r2/pp1pk1b1/6p1/2p2p2/1PN4R/PRP2P2/3B1PB1/3QK1N1 w - - 0 20 ; Best move: d1e2
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8 and black rook at f8. Black pawn at a7, black pawn at b7, black pawn at d7, black king at e7 and black bishop at g7. Black pawn at g6. Black pawn at c5 and black pawn at f5. White pawn at b4, white knight at c4 and white rook at h4. White pawn at a3, white rook at b3, white pawn at c3 and white pawn at f3. White bishop at d2, white pawn at f2 and white bishop at g2. White queen at d1, white king at e1 and white knight at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. White to move.