N3kb1r/p1n1pn2/3p1p2/1pP2qp1/Q3P1PN/2P2PP1/P2P4/1RB1KB1R w Kk - 3 21
FEN state: N3kb1r/p1n1pn2/3p1p2/1pP2qp1/Q3P1PN/2P2PP1/P2P4/1RB1KB1R w Kk - 3 21 ; Best move: f1b5
The current state of the chess board is: White knight at a8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black knight at c7, black pawn at e7 and black knight at f7. Black pawn at d6 and black pawn at f6. Black pawn at b5, white pawn at c5, black queen at f5 and black pawn at g5. White queen at a4, white pawn at e4, white pawn at g4 and white knight at h4. White pawn at c3, white pawn at f3 and white pawn at g3. White pawn at a2 and white pawn at d2. White rook at b1, white bishop at c1, white king at e1, white bishop at f1 and white rook at h1. White kingside and black kingside castles are available. Half move number is 3. Full move number is 21. White to move.