rn1qkb1r/p3p3/1ppp1npp/5p2/1B1P4/Nb4PN/PPP1PP1P/1R1QKBR1 w kq - 2 10
FEN state: rn1qkb1r/p3p3/1ppp1npp/5p2/1B1P4/Nb4PN/PPP1PP1P/1R1QKBR1 w kq - 2 10 ; Best move: c2b3
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7 and black pawn at e7. Black pawn at b6, black pawn at c6, black pawn at d6, black knight at f6, black pawn at g6 and black pawn at h6. Black pawn at f5. White bishop at b4 and white pawn at d4. White knight at a3, black bishop at b3, white pawn at g3 and white knight at h3. White pawn at a2, white pawn at b2, white pawn at c2, white pawn at e2, white pawn at f2 and white pawn at h2. White rook at b1, white queen at d1, white king at e1, white bishop at f1 and white rook at g1. Black kingside and black queenside castles are available. Half move number is 2. Full move number is 10. White to move.