MESON Chess Problem Database

Problem Display
PID: 235349 (1R1B4/3KN3/8/p1k5/7R/n7/1ppP4/8 w - - 0 1)

Paslack, Rainer

Freie Presse, 1997

1R1B4/3KN3/8/p1k5/7R/n7/1ppP4/8

#2

6 + 5

5454 Near Snap 2021
15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sc4
      • 2.d4#
    • 1...Sb5
      • 2.Bb6#
  • Tries
    • 1.Ra4?
      • threat
        • 2.d4#
      • 1...Sb5
        • 2.Bb6#
      • 1...Sc4!
    • 1.Rxb2?
      • threat
        • 2.Bb6#
      • 1...Sc4
        • 2.d4#
      • 1...Sb5!
    • 1.Rb3?
      • threat
        • 2.Bb6#
      • 1...Sc4
        • 2.d4#
      • 1...Sb5!
    • 1.Rbb4?
      • threat
        • 2.Bb6#
      • 1...Sc4
        • 2.Rhxc4#
      • 1...Sb5
        • 2.Rbc4#
        • 2.Rhc4#
      • 1...axb4!
  • Keys
    • 1.Bc7!
      • threat
        • 2.Bd6#
      • 1...Sc4
        • 2.d4#
      • 1...Sb5
        • 2.Bb6#

Anticipated by 180922(1917)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(c);SBLOCK::P(A)
    • S(c);SBLOCK::B(F)
  • Tries
    • Try
      • R(B);
      • Threat
        • P(A)
      • Vars
        • S(c);SBLOCK::B(F)
      • Refutation
        • S(c);
    • Try
      • R(E);XP(a)
      • Threat
        • B(F)
      • Vars
        • S(c);SBLOCK::P(A)
      • Refutation
        • S(c);
    • Try
      • R(E);
      • Threat
        • B(F)
      • Vars
        • S(c);SBLOCK::P(A)
      • Refutation
        • S(c);
    • Try
      • R(E);
      • Threat
        • B(F)
      • Vars
        • S(c);N_GUARD::R1(B),XS(c)
      • Refutation
        • P(d);XR(E)
  • Actual
    • B(F);
    • Threat
      • B(F)
    • Vars
      • S(c);SBLOCK::P(A)
      • S(c);SBLOCK::B(F)
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