MESON Chess Problem Database

Problem Display
PID: 256557 (4K3/1N4BN/4p1R1/2pk3r/Q4pr1/7B/2P2n2/8 w - - 0 1)

Soldatov, Volodimir Vladimirovich

Tkachenko, Sergiy Ivanovich

2nd Prize, Springaren, 1994

4K3/1N4BN/4p1R1/2pk3r/Q4pr1/7B/2P2n2/8

#2

8 + 7

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rg1
      • 2.Bxe6#
    • 1...Rg2
      • 2.Bxe6#
    • 1...Rg3
      • 2.Bxe6#
    • 1...Rgh4
      • 2.Bxe6#
    • 1...Rgg5
      • 2.Bxe6#
    • 1...Re5
      • 2.Sf6#
    • 1...Se4
      • 2.c4#
    • 1...e5
      • 2.Rd6#
  • Tries
    • 1.Sa5?
      • threat
        • 2.Qc6#
      • 1...Kd6
        • 2.Qc6#
        • 2.Qd7#
      • 1...e5
        • 2.Qc4#
      • 1...Re5!
  • Keys
    • 1.Rxe6!
      • threat
        • 2.Rd6#
      • 1...Kxe6
        • 2.Qd7#
      • 1...Rxg7
        • 2.Sf6#
      • 1...Rg6
        • 2.c4#
      • 1...Re5
        • 2.Rxe5#
      • 1...Rh6
        • 2.Re5#
      • 1...Se4
        • 2.Qxe4#
      • 1...c4
        • 2.Qc6#
        • 2.Qd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 4
    • REMOVED MATES = 6
  • Sets
    • R(c);OGATE::B(B),XP(g)
    • R(f);SBLOCK::S(G)
    • S(a);SBLOCK::P(A)
    • P(g);OGATE::R1(D)
  • Tries
    • Try
      • S(E);
      • Threat
        • QAB1(C)
      • Vars
        • P(g);::QAB1(C)
      • Refutation
        • R(f);
  • Actual
    • R(D);XP(g)
    • Threat
      • R1(D)
    • Vars
      • K(e);N_GUARD,P_SPINR(c),S_FLIGHT,XR(D)::QAB1(C)
      • R(c);XB(F)::S(G)
      • R(c);::P(A)
      • R(f);N_GUARD,P_PINR(D)::R1(D),XR(f)
      • R(f);N_GUARD::R1(D)
      • S(a);N_GUARD::QAB1(C),XS(a)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).