Rudolf Dupszki versus Yixin
(Last update: 2017-7-31)
Introduction
In Gomoku World Championship (GWC) 2017, Yixin had a 2-game match with Rudolf Dupszki, the champion of GWC 2015. This match was organized by one of the GWC organizers -- Vladimir Nipoti, with the help of Alexander Bogatirev.
Fig.1 Rudolf Dupszki is thinking.
Match Settings
- Number of Round: 2
- Rule: Swap-2
- Computer: Amazon EC2 m4.16xlarge
- Time Control: 120 min/game + 30 sec/move
- Human player's time is counted by a table clock; Yixin's time is counted by itself
During the match, Vladimir Nipoti helped copy Yixin's moves to the board, and Rudolf Dupszki's moves to the computer.
Game Records and Analysis
Round 1:
- Black: Rudolf Dupszki
- White: Yixin
- Swap: Two more stones, +
- Result: White wins
l13k12m11n14o13k11j12k13k10j10i9j9j8k7h11l8i11m9n10m7l9l7n7m8m6k6n9n6k9i7j7k5
The 15th move is a turning point of the game. From Yixin's perspective, neither side had a big advantage before the 15th, and i11 might be a better 15th. The 17th was proved to be sure loss during the game. The evaluation is shown in the below figure.
Round 2:
- Black: Yixin
- White: Rudolf Dupszki
- Swap: Two more stones, +
- Result: Black wins
e10g8g5f5f6e7f7f8e8g9h10d9g10f10h8h9i9g7e9j8h11i12e11e12g11f11f12e13g13h14i10g14j9k8i8k4i7
The 4th and 5th given by Rudolf Dupszki are pretty balanced, and neither side broke the balance before the 12th move. From Yixin's perspective, g10 should be a better choice for the 12th. The big advantage gained from the 12th was kept by Yixin, and the 20th was proved to be a sure loss during the game. The evaluation is shown in the below figure.
Other Information
Preparation
Yixin always puts the opening e10g8g5 when it is the tentative Black. It was picked out from a pool of balanced openings automatically generated by Yixin.
Depth
The average minimum depth of Yixin in the match is about 17.