MESON Chess Problem Database

Problem Display
PID: 159025 (8/8/4K3/8/3Pk3/2R1pNR1/8/8 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Vecherni Kharkov, 1982

8/8/4K3/8/3Pk3/2R1pNR1/8/8

#2

5 + 2

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...e2
      • 2.Rg4#
  • Tries
    • 1.Sh2?
      • threat
        • 2.Rg4#
      • 1...Kf4
        • 2.Rg4#
      • 1...Kxd4!
    • 1.Ra3?
      • 1...e2
        • 2.Rg4#
      • 1...Kf4!
    • 1.Rb3?
      • 1...e2
        • 2.Rg4#
      • 1...Kf4!
    • 1.Rh3?
      • 1...e2
        • 2.Rh4#
      • 1...Kf4!
    • 1.d5?
      • 1...e2
        • 2.Rg4#
      • 1...Kf4!
  • Keys
    • 1.Se5!
      • threat
        • 2.Rg4#
      • 1...Kxd4
        • 2.Rc4#
      • 1...Kf4
        • 2.Rg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(a);::R(C)
  • Tries
    • Try
      • S(B);
      • Threat
        • R(C)
      • Vars
        • K(b);P-FLIGHT::R1(C)
      • Refutation
        • K(b);P-FLIGHT,XP(D)
    • Try
      • R(A);
      • Vars
        • P(a);::R(C)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(A);
      • Vars
        • P(a);::R(C)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(C);
      • Vars
        • P(a);::R(C)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • P(D);
      • Vars
        • P(a);::R(C)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • S(B);
    • Threat
      • R(C)
    • Vars
      • K(b);OGATEB,P-FLIGHT,XP(D)::R1(A)
      • K(b);P-FLIGHT::R1(C)
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