MESON Chess Problem Database

Problem Display
PID: 85324 (8/8/7b/8/2R5/3Kp2p/4R3/3k4 w - - 0 1)

Zheltonozhko, Vladimir Ivanovich

Shak-M, 1989

8/8/7b/8/2R5/3Kp2p/4R3/3k4

#2

3 + 4

6490 yacpdb 2009
5454 Near Snap 2013

SOLUTION

  • SOUND
  • Tries
    • 1.Rb2?
      • threat
        • 2.Rb1#
      • 1...Ke1
        • 2.Rc1#
      • 1...e2!
    • 1.Rd2+?
      • 1...Ke1
        • 2.Rc1#
      • 1...exd2!
    • 1.Rh2?
      • threat
        • 2.Rh1#
      • 1...Ke1
        • 2.Rc1#
      • 1...e2!
    • 1.Ra4?
      • threat
        • 2.Ra1#
      • 1...Kc1
        • 2.Ra1#
      • 1...Bg7!
    • 1.Rf4?
      • threat
        • 2.Rf1#
      • 1...Kc1
        • 2.Rf1#
      • 1...Bxf4!
    • 1.Rg4?
      • threat
        • 2.Rg1#
      • 1...Kc1
        • 2.Rg1#
      • 1...h2!
  • Keys
    • 1.Rb4!
      • threat
        • 2.Rb1#
      • 1...Kc1
        • 2.Re1#

Anticipated by 9918(1960), 121088(1969)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);
      • Threat
        • R(A)
      • Vars
        • K(a);P-FLIGHT::R(C)
      • Refutation
        • P(b);
    • Try
      • R(A);CHECK
      • Vars
        • K(a);P-FLIGHT::R(C)
      • Refutation
        • P(b);XR(A)
    • Try
      • R(A);
      • Threat
        • R(A)
      • Vars
        • K(a);P-FLIGHT::R(C)
      • Refutation
        • P(b);
    • Try
      • R(C);
      • Threat
        • R(C)
      • Vars
        • K(a);P-FLIGHT::R(C)
      • Refutation
        • B(d);
    • Try
      • R(C);
      • Threat
        • R(C)
      • Vars
        • K(a);P-FLIGHT::R(C)
      • Refutation
        • B(d);XR(C)
    • Try
      • R(C);
      • Threat
        • R(C)
      • Vars
        • K(a);P-FLIGHT::R(C)
      • Refutation
        • P(c);
  • Actual
    • R(C);
    • Threat
      • R(C)
    • Vars
      • K(a);P-FLIGHT::R(A)
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