MESON Chess Problem Database

Problem Display
PID: 79920 (8/8/3K4/8/3kPp2/1R2NR2/8/8 w - - 0 1)

Akchurin, Mikhail

Aliovsadzade, Rauf Gadzhiaga ogli

Vecherni Kharkov, 1982

8/8/3K4/8/3kPp2/1R2NR2/8/8

#2

5 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Sc2+?
      • 1...Kc4
        • 2.Rb4#
        • 2.Rfc3#
      • 1...Kxe4!
    • 1.Sg2?
      • threat
        • 2.Rb4#
      • 1...Kxe4
        • 2.Rxf4#
      • 1...Kc4!
    • 1.Sf5+?
      • 1...Kc4
        • 2.Rfc3#
      • 1...Kxe4!
    • 1.e5?
      • threat
        • 2.Rxf4#
      • 1...fxe3
        • 2.Rf4#
      • 1...Ke4!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Rb4#
      • 1...Kc4
        • 2.Rb4#
      • 1...Kxe4
        • 2.Rxf4#

FEATURES

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