MESON Chess Problem Database

Problem Display
PID: 183069 (4R3/8/8/2Np2Q1/3kP3/8/1K6/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Shaklena, Anna

Kudesnik, 2017

4R3/8/8/2Np2Q1/3kP3/8/1K6/8

#2

5 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...dxe4
      • 2.Rxe4#
  • Tries
    • 1.Kb3?
      • threat
        • 2.Qg1#
      • 1...dxe4
        • 2.Rxe4#
        • 2.Rd8#
      • 1...Kxc5!
  • Keys
    • 1.Rb8!
      • 1...Kc4
        • 2.Qxd5#
      • 1...Kxc5
        • 2.Qxd5#
      • 1...dxe4
        • 2.Rb4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(b);OGATE,XP(B)::R1(E),XP(b)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Threat
        • QAB(D)
      • Refutation
        • K(a);P_SPINP(b),S_FLIGHT,XS(C)
  • Actual
    • R(E);
    • Vars
      • K(a);P-FLIGHT::QAB1(D),XP(b)
      • K(a);P_SPINP(b),S_FLIGHT,XS(C)::QAR1(D),XP(b)
      • P(b);XP(B)::R(E)
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