2r1k1nr/2p4p/1pn1pp2/pN1q1b2/1P2pbp1/2Q2PPP/P1PN4/1RBK1B1R w k - 0 20
FEN state: 2r1k1nr/2p4p/1pn1pp2/pN1q1b2/1P2pbp1/2Q2PPP/P1PN4/1RBK1B1R w k - 0 20 ; Best move: g3f4
The current state of the chess board is: Black rook at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at c7 and black pawn at h7. Black pawn at b6, black knight at c6, black pawn at e6 and black pawn at f6. Black pawn at a5, white knight at b5, black queen at d5 and black bishop at f5. White pawn at b4, black pawn at e4, black bishop at f4 and black pawn at g4. White queen at c3, white pawn at f3, white pawn at g3 and white pawn at h3. White pawn at a2, white pawn at c2 and white knight at d2. White rook at b1, white bishop at c1, white king at d1, white bishop at f1 and white rook at h1. Black kingside is the only castle move available. Half move number is 0. Full move number is 20. White to move.