MESON Chess Problem Database

Problem Display
PID: 284189 (3R1R2/K5N1/p4N2/4k3/r5p1/5b2/8/2B5 w - - 0 1)

Lapedatu, Adrian

Buletin Problemistic, 1975

3R1R2/K5N1/p4N2/4k3/r5p1/5b2/8/2B5

#2

6 + 5

15601 Albrecht-Leiss-Degener Collection 2026
5454 Near Snap 2026

SOLUTION

  • SOUND
  • Sets
    • 1...Re4
      • 2.Rd5#
    • 1...Bd1
      • 2.Rd5#
    • 1...Be2
      • 2.Rd5#
    • 1...Be4
      • 2.Sxg4#
    • 1...Bd5
      • 2.Rxd5#
  • Tries
    • 1.Bg5?
      • threat
        • 2.Rfe8#
      • 1...Bd5
        • 2.Rxd5#
      • 1...Bc6!
  • Keys
    • 1.Se4!
      • threat
        • 2.Rfe8#
      • 1...Kxe4
        • 2.Rfe8#
      • 1...Rxe4
        • 2.Rf5#
      • 1...Bxe4
        • 2.Bf4#

Anticipated by 52960(1950/I)

This anticipates 190869(1983)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • R(b);S_CUTB(a)::R1(E)
    • B(a);N_GUARD::R1(E)
    • B(a);N_GUARD,SBLOCK,S_CUTR(b)::S(B),XP(c)
    • B(a);N_GUARD::R1(E),XB(a)
  • Tries
    • Try
      • B(A);
      • Threat
        • R(F)
      • Vars
        • B(a);N_GUARD::R1(E),XB(a)
      • Refutation
        • B(a);
  • Actual
    • S(B);
    • Threat
      • R(F)
    • Vars
      • K(d);P-FLIGHT,XS(B)::R(F)
      • R(b);SBLOCK,XS(B)::R1(F)
      • B(a);SBLOCK,XS(B)::B(A)
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