Tuesday, May 19, 2009

Stats (2)


Taking a further look (see "Stats (1)" for a preliminary peek) at a ChessBase Opening Report from my Jerome Gambit (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7+) database is as simple as advancing along the move order a bit, and then asking the software to analyze.

So, a look at 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7+ Kxf7 5.Nxe5+ will dig deeper.

There are 856 games in my database with that line of play. The Opening Report says that White scores "well" with 69%: 510 wins (68%), 21 draws (3%) and 224 losses (30%). In addtion, White's wins are of "average" length (38 moves); Black's wins are "shorter than average" (33 moves); and draws are "short" (29 moves).

Looking at Moves and Plans, 5...Nxe5 was seen in 711 games, where Black scored "badly" 31%. The Opening Report recommends 6.Qh5+ for White, and gives as the Critical Line: 6...Kf8 7.Qxe5 Qe7 8.Qf4+ where White only scored 19%.

A fifth move alternative for Black, 5...Kf8, was seen in 18 games, and Black scored "well" at 56%. The recommended move for White is 6.0-0.

Also possible for Black was 5...Ke8, seen in 8 games, although he scored "miserably" with 0%; 5...Ke7, seen in 2 games, with likewise "miserable" results (0%).

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