(;FF[4]
CA[UTF-8]
GM[1]
DT[2025-03-22]
PC[OGS: https://online-go.com/game/73570092]
GN[Tournament Game: Exploring Mirrors #1 (123040) R:2 (Feijoa vs Vsotvep)]
PB[Vsotvep]
PW[Feijoa]
BR[5k]
WR[9k]
TM[259200]OT[86400 fischer]
RE[B+R]
SZ[19]
KM[6.5]
RU[Japanese]
C[Vsotvep: Hi, have a good game!
Vsotvep: Ah, this is the mirror tournament
Vsotvep: Well... Oops I guess
Vsotvep: Actually, never mind. If you want to mirror as White I can play Q16
Feijoa: I'll just accept the undo so there's no "if" necessary 😁
Vsotvep: Then I will play Q16
]
;B[pd]
C[Vsotvep: Ah, this is the mirror tournament
Vsotvep: Well... Oops I guess
Vsotvep: Actually, never mind. If you want to mirror as White I can play Q16
Feijoa: I'll just accept the undo so there's no "if" necessary 😁
Vsotvep: Then I will play Q16
]
(;W[dp]
(;B[qp]
(;W[cd]
(;B[np]
(;W[fd]
C[Feijoa: This is building a very weak corner, going to have to watch out for that later
]
(;B[fq]
(;W[nc]
(;B[qf]
(;W[cn]
(;B[jp]
(;W[jd]
(;B[pj]
C[Feijoa: Scared of all these 4th line moves but I'll pay along for now
]
(;W[dj]
(;B[jj]
(;W[cg]
C[Feijoa: Thinking I can secure the left side, then if he attacks my corner I can reduce it as much as possible while securing the top.
]
(;B[qm]
(;W[pb]
(;B[dr]
(;W[cq]
(;B[qc]
(;W[hc]
(;B[lq]
(;W[dl]
C[Vsotvep: Ok, time to break the mirror
]
(;B[ne]
(;W[go]
C[Feijoa: 😁
Feijoa: Kind of mirroring in spirit now but didn't want to be overconcentrated.
]
(;B[hp]
(;W[ld]
(;B[lf]
(;W[hn]
(;B[in]
(;W[kf]
(;B[lg]
C[Vsotvep: You're keeping the mirror spirit alive, I see
]
(;W[hm]
(;B[im]
(;W[kg]
(;B[kh]
(;W[il]
(;B[jl]
(;W[jh]
(;B[ki]
(;W[hi]
C[Feijoa: Probably shouldn't have taken it that far ....
]
(;B[ep]
(;W[od]
(;B[oe]
(;W[eo]
(;B[dq]
(;W[pc]
(;B[qb]
(;W[cr]
(;B[do]
(;W[pe]
(;B[qd]
(;W[cp]
(;B[fo]
(;W[en]
(;B[fn]
(;W[fm]
(;B[em]
(;W[dn]
(;B[hl]
(;W[gl]
(;B[ik]
(;W[gp]
(;B[gq]
(;W[fp]
(;B[eq]
(;W[gk]
C[Feijoa: It's interesting how much the mirror aspect makes me extremely conscious of every possible slack move. I feel that in theory the game should be close to even, so I shouldn't have to give up too much ground.
Feijoa: [object Object\]
]
(;B[ho]
(;W[gn]
(;B[le]
(;W[ke]
(;B[nd]
(;W[oc]
(;B[mc]
C[Vsotvep: In theory yes, but my idea was to first set up a fuseki that involved influence-oriented stones, and grab Tengen to break White mirroring while reinforcing the influence aspect of the game for Black and simultaneously removing influence for White
Vsotvep: Then I mirrored until there would be a move that I'd consider slack.
]
(;W[mb]
(;B[md]
(;W[lc]
C[Feijoa: Yup, that was very concerning to me from the beginning.
]
(;B[pa]
(;W[nb]
(;B[oa]
C[Feijoa: Thanks for the game!
Vsotvep: Thanks for the game! 
Vsotvep: Breaking the mirror at move 25 put me ahead by 2 points compared to the empty board, according to KataGo....
Vsotvep: So little value :'(
Feijoa: Well that's a lot better than the naive mirror theory that you would end up behind by 6.5.
Vsotvep: True!
]
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