1nbk1bn1/2pq1p1r/rp4p1/p2p3p/P1N2PPP/1P1P2KR/2P1P1B1/R1BQ2N1 w - - 2 20
FEN state: 1nbk1bn1/2pq1p1r/rp4p1/p2p3p/P1N2PPP/1P1P2KR/2P1P1B1/R1BQ2N1 w - - 2 20 ; Best move: c4e5
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at d8, black bishop at f8 and black knight at g8. Black pawn at c7, black queen at d7, black pawn at f7 and black rook at h7. Black rook at a6, black pawn at b6 and black pawn at g6. Black pawn at a5, black pawn at d5 and black pawn at h5. White pawn at a4, white knight at c4, white pawn at f4, white pawn at g4 and white pawn at h4. White pawn at b3, white pawn at d3, white king at g3 and white rook at h3. White pawn at c2, white pawn at e2 and white bishop at g2. White rook at a1, white bishop at c1, white queen at d1 and white knight at g1. Both players have exhausted their castles. Half move number is 2. Full move number is 20. White to move.