MESON Chess Problem Database

Problem Display
PID: 101758 (q7/2QPR3/3P1k1p/p3p3/5N2/5p1B/8/K7 w - - 0 1)

Bolotbekov, Serghei

diagrammes, 1990

q7/2QPR3/3P1k1p/p3p3/5N2/5p1B/8/K7

#2

7 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Re6+?
      • 1...Kf7
        • 2.d8Q#
        • 2.d8R#
      • 1...Kg7
        • 2.d8Q#
        • 2.d8R#
      • 1...Kg5!
    • 1.Rf7+?
      • 1...Kxf7
        • 2.d8Q#
      • 1...Kg5!
  • Keys
    • 1.Rg7!
      • threat
        • 2.Sh5#
      • 1...Kxg7
        • 2.d8Q#
      • 1...exf4
        • 2.Qc3#
      • 1...e4
        • 2.Qc3#
      • 1...Qe8
        • 2.dxe8S#
      • 1...h5
        • 2.Sxh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(G);CHECK
      • Vars
        • K(d);P-FLIGHT::P=Q
        • K(d);S_FLIGHT::P=Q
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • R(G);CHECK
      • Vars
        • K(d);P-FLIGHT,XR(G)::P=Q
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • R(G);
    • Threat
      • S(C)
    • Vars
      • K(d);S_FLIGHT,XR(G)::P=Q
      • P(c);OGATEB,XS(C)::QAB(E)
      • P(c);OGATEB::QAB(E)
      • Q(f);OGATE::PXQ(f)=S
      • P(e);::S(C),XP(e)
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