MESON Chess Problem Database

Problem Display
PID: 235149 (6K1/8/8/2p3B1/2p4P/2N4B/3nNp1R/4k3 w - - 0 1)

Cheylan, Yves

Buletin Problemistic, 1975

6K1/8/8/2p3B1/2p4P/2N4B/3nNp1R/4k3

#2

7 + 5

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Rxf2?
      • 1...Sb1
        • 2.Rf1#
      • 1...Sf1
        • 2.Rxf1#
      • 1...Sb3
        • 2.Rf1#
      • 1...Sf3
        • 2.Rf1#
      • 1...Se4
        • 2.Rf1#
      • 1...Kxf2!
  • Keys
    • 1.Sg1!
      • 1...fxg1Q
        • 2.Re2#
      • 1...fxg1S
        • 2.Bxd2#
      • 1...fxg1B
        • 2.Bxd2#
        • 2.Re2#
      • 1...fxg1R
        • 2.Re2#
      • 1...f1Q
        • 2.Bxd2#
      • 1...f1S
        • 2.Re2#
      • 1...f1B
        • 2.Bxd2#
      • 1...f1R
        • 2.Bxd2#
        • 2.Re2#
      • 1...Sb1
        • 2.Sf3#
      • 1...Sf1
        • 2.Sf3#
      • 1...Sb3
        • 2.Sf3#
      • 1...Sf3
        • 2.Sxf3#
      • 1...Se4
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);XP(c)
      • Vars
        • S(b);N_GUARD::R1(B)
        • S(b);N_GUARD::R1(B),XS(b)
      • Refutation
        • K(a);S_FLIGHT,XR(B)
  • Actual
    • S(A);
    • Vars
      • P(c);OGATE,P_PINB(F),XS(A)::R1(B)
      • P(c);XS(A)::B(F),XS(b)
      • P(c);::B(F),XS(b)
      • P(c);OGATE::R1(B)
      • S(b);N_GUARD::S(A)
      • S(b);N_GUARD::S(A),XS(b)
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