MESON Chess Problem Database

Problem Display
PID: 89947 (n7/B3P1P1/2R1N1R1/4k3/8/5K2/8/8 w - - 0 1)

Markovtsy, Vassyl Yuriovich

Die Schwalbe, 1995

n7/B3P1P1/2R1N1R1/4k3/8/5K2/8/8

#2

7 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sd4?
      • threat
        • 2.Rg5#
      • 1...Kd5
        • 2.Rg5#
      • 1...Sb6!
    • 1.Sf4?
      • threat
        • 2.Rg5#
      • 1...Kf5
        • 2.Rc5#
      • 1...Sb6!
    • 1.Bd4+?
      • 1...Kf5
        • 2.Rg5#
        • 2.Rf6#
      • 1...Kd5!
    • 1.Bb8+?
      • 1...Kd5
        • 2.Rc5#
      • 1...Kf5
        • 2.Sd4#
      • 1...Sc7!
    • 1.g8S?
      • threat
        • 2.Rg5#
      • 1...Kf5
        • 2.Rg5#
      • 1...Kd5!
  • Keys
    • 1.e8S!
      • threat
        • 2.Rc5#
        • 2.Rg5#
      • 1...Kd5
        • 2.Rc5#
      • 1...Kf5
        • 2.Rg5#
      • 1...Sc7
        • 2.Rg5#
      • 1...Sb6
        • 2.Rg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • R(D)
      • Vars
        • K(a);P-FLIGHT::R(D)
      • Refutation
        • S(b);
    • Try
      • S(C);
      • Threat
        • R(D)
      • Vars
        • K(a);P-FLIGHT::R(B)
      • Refutation
        • S(b);
    • Try
      • B(E);CHECK
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(E);CHECK
      • Vars
        • K(a);P-FLIGHT::R1(B)
        • K(a);P-FLIGHT::S(C)
      • Refutation
        • S(b);P_SPINS(b)
    • Try
      • P(G);
      • Threat
        • R(D)
      • Vars
        • K(a);P-FLIGHT::R1(D)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • P(F);
    • Threat
      • DUALS(2)
    • Vars
      • K(a);P-FLIGHT::R1(B)
      • K(a);P-FLIGHT::R1(D)
      • S(b);::R(D)
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