MESON Chess Problem Database

Problem Display
PID: 171275 (4B3/8/6p1/2P3P1/2P5/BP1P4/1Pk1NP2/R3K3 w Q - 0 1)

Archakov, Vladimir Mikhailovich

Kucheruk, V

3rd Prize, Tumenskaya Pravda, 1980

4B3/8/6p1/2P3P1/2P5/BP1P4/1Pk1NP2/R3K3

#2

12 + 2

5454 Near Snap 2018
6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kxb3
      • 2.Sd4#
    • 1...Kxd3
      • 2.Bxg6#
  • Tries
    • 1.Sg3?
      • 1...Kxd3
        • 2.0-0-0#
      • 1...Kxb3!
    • 1.Bb5?
      • 1...Kxb3
        • 2.Sd4#
      • 1...Kxd3!
    • 1.Bc6?
      • 1...Kxb3
        • 2.Sd4#
      • 1...Kxd3!
    • 1.Bd7?
      • 1...Kxb3
        • 2.Sd4#
      • 1...Kxd3!
    • 1.Bf7?
      • 1...Kxd3
        • 2.Bxg6#
      • 1...Kxb3!
    • 1.Rc1+?
      • 1...Kxd3
        • 2.Bxg6#
      • 1...Kxb3!
    • 1.f3?
      • 1...Kxb3
        • 2.Sd4#
      • 1...Kxd3!
    • 1.f4?
      • 1...Kxb3
        • 2.Sd4#
      • 1...Kxd3!
    • 1.b4?
      • 1...Kb3
        • 2.Sd4#
      • 1...Kxd3!
    • 1.d4?
      • 1...Kd3
        • 2.Bxg6#
      • 1...Kxb3!
    • 1.c6?
      • 1...Kxd3
        • 2.Bxg6#
      • 1...Kxb3!
  • Keys
    • 1.Sc3!
      • 1...Kxb3
        • 2.Ba4#
      • 1...Kxd3
        • 2.0-0-0#

Anticipated by 50747(1948)

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT,XP(G)::S(D)
    • K(a);OGATEB,S_FLIGHT,XP(H)::B(L),XP(b)
  • Tries
    • Try
      • S(D);
      • Vars
        • K(a);S_FLIGHT,XP(H)::0-0-0
      • Refutation
        • K(a);S_FLIGHT,XP(G)
    • Try
      • B(L);
      • Vars
        • K(a);S_FLIGHT,XP(G)::S(D)
      • Refutation
        • K(a);S_FLIGHT,XP(H)
    • Try
      • B(L);
      • Vars
        • K(a);S_FLIGHT,XP(G)::S(D)
      • Refutation
        • K(a);S_FLIGHT,XP(H)
    • Try
      • B(L);
      • Vars
        • K(a);S_FLIGHT,XP(G)::S(D)
      • Refutation
        • K(a);S_FLIGHT,XP(H)
    • Try
      • B(L);
      • Vars
        • K(a);OGATEB,S_FLIGHT,XP(H)::B(L),XP(b)
      • Refutation
        • K(a);S_FLIGHT,XP(G)
    • Try
      • R(A);CHECK
      • Vars
        • K(a);S_FLIGHT,XP(H)::B(L),XP(b)
      • Refutation
        • K(a);S_FLIGHT,XP(G)
    • Try
      • P(E);
      • Vars
        • K(a);S_FLIGHT,XP(G)::S(D)
      • Refutation
        • K(a);S_FLIGHT,XP(H)
    • Try
      • P(E);
      • Vars
        • K(a);S_FLIGHT,XP(G)::S(D)
      • Refutation
        • K(a);S_FLIGHT,XP(H)
    • Try
      • P(G);
      • Vars
        • K(a);S_FLIGHT::S(D)
      • Refutation
        • K(a);S_FLIGHT,XP(H)
    • Try
      • P(H);
      • Vars
        • K(a);S_FLIGHT::B(L),XP(b)
      • Refutation
        • K(a);S_FLIGHT,XP(G)
    • Try
      • P(J);
      • Vars
        • K(a);OGATEB,S_FLIGHT,XP(H)::B(L),XP(b)
      • Refutation
        • K(a);S_FLIGHT,XP(G)
  • Actual
    • S(D);
    • Vars
      • K(a);OGATEB,S_FLIGHT,XP(G)::B(L)
      • K(a);S_FLIGHT,XP(H)::0-0-0
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).