MESON Chess Problem Database

Problem Display
PID: 177498 (4Rrr1/8/8/8/8/6Q1/K3RpBp/6kN w - - 0 1)

Gatti, Daniele

Best Problems, 2018

4Rrr1/8/8/8/8/6Q1/K3RpBp/6kN

#2

6 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe8
      • 2.Qxf2#
  • Tries
    • 1.Sxf2?
      • threat
        • 2.Sh3#
        • 2.Re1#
      • 1...Rxf2
        • 2.Qxf2#
      • 1...Rxe8
        • 2.Sh3#
      • 1...h1Q
        • 2.Re1#
      • 1...h1R
        • 2.Re1#
      • 1...Rh8
        • 2.Bh3#
        • 2.Re1#
      • 1...Rxg3!
    • 1.Bf3+?
      • 1...Kf1
        • 2.Rxf2#
        • 2.Qxf2#
      • 1...Rxg3!
  • Keys
    • 1.Rxf2!
      • threat
        • 2.Re1#
      • 1...Rxf2+
        • 2.Qxf2#
      • 1...Rxe8
        • 2.Rf1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(d);N_GUARD,XR(F)::QAB1(E),XP(b)
  • Tries
    • Try
      • S(A);XP(b)
      • Threat
        • DUALS(2)
      • Vars
        • R(d);OGATE,P_PINR(C),XS(A)::QAB1(E),XR(d)
        • R(d);XR(F)::S(A)
        • P(c);::R(C)
      • Refutation
        • R(e);XQ(E)
    • Try
      • B(D);CHECK
      • Refutation
        • R(e);XQ(E)
  • Actual
    • R(C);XP(b)
    • Threat
      • R(F)
    • Vars
      • R(d);CHECK,OGATE,XR(C)::QAB1(E),XR(d)
      • R(d);N_GUARD,XR(F)::R1(C)
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