MESON Chess Problem Database

Problem Display
PID: 79322 (8/4N3/1N6/2R5/4kp2/8/3K4/5R2 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Vahidov, Medzhnun

Kommunist Sumgaita, 1981

8/4N3/1N6/2R5/4kp2/8/3K4/5R2

#2

5 + 2

136 Problem Observer 2008

SOLUTION

  • SOUND
  • Tries
    • 1.Kc3?
      • 1...Ke3
        • 2.Re5#
      • 1...f3!
    • 1.Sa4?
      • 1...Kd4
        • 2.Rxf4#
      • 1...f3!
    • 1.Sg6?
      • threat
        • 2.Rxf4#
      • 1...Kd4
        • 2.Rc4#
      • 1...f3!
    • 1.Rfc1?
      • 1...Kd4
        • 2.R1c4#
      • 1...f3
        • 2.R1c4#
      • 1...Kf3!
    • 1.Re1+?
      • 1...Kd4
        • 2.Rc4#
        • 2.Rd5#
      • 1...Kf3!
    • 1.Ra5?
      • 1...Kd4
        • 2.Rxf4#
      • 1...f3!
    • 1.Rb5?
      • 1...Kd4
        • 2.Rxf4#
      • 1...f3!
    • 1.Re5+?
      • 1...Kd4
        • 2.Sc6#
      • 1...Kxe5!
    • 1.Rf5?
      • threat
        • 2.R1xf4#
      • 1...Kd4
        • 2.R1xf4#
      • 1...f3!
    • 1.Rg5?
      • 1...Kd4
        • 2.Rxf4#
      • 1...f3!
    • 1.Rh5?
      • 1...Kd4
        • 2.Rxf4#
      • 1...f3!
  • Keys
    • 1.Sd7!
      • threat
        • 2.Rc4#
      • 1...Kd4
        • 2.Rxf4#

FEATURES

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