1nbk1b1r/1p2pppp/r1p1q2n/p2p4/3P4/N3P3/PPPKNPPP/R1BQ1B1R w - - 4 10
FEN state: 1nbk1b1r/1p2pppp/r1p1q2n/p2p4/3P4/N3P3/PPPKNPPP/R1BQ1B1R w - - 4 10 ; Best move: e2f4
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 rook at h8. Black pawn at b7, black pawn at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black rook at a6, black pawn at c6, black queen at e6 and black knight at h6. Black pawn at a5 and black pawn at d5. White pawn at d4. White knight at a3 and white pawn at e3. White pawn at a2, white pawn at b2, white pawn at c2, white king at d2, white knight at e2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 10. White to move.