MESON Chess Problem Database

Problem Display
PID: 104670 (8/8/4p2R/5k2/4N3/4KB2/4P3/8 w - - 0 1)

Vukovic, Vladan

Glas, 1946

8/8/4p2R/5k2/4N3/4KB2/4P3/8

#2

5 + 2

3713 Snap 2009
6490 yacpdb 2009
5454 Near Snap 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Rh5#
    • 1...e5
      • 2.Rf6#
  • Tries
    • 1.Kd4?
      • threat
        • 2.Rf6#
      • 1...Kf4
        • 2.Rf6#
      • 1...e5+!
    • 1.Bg4+?
      • 1...Ke5
        • 2.Rh5#
      • 1...Kxg4!
    • 1.Bh5?
      • 1...e5
        • 2.Rf6#
      • 1...Ke5!
    • 1.Rg6?
      • threat
        • 2.Rg5#
      • 1...Ke5
        • 2.Rg5#
      • 1...e5
        • 2.Rf6#
      • 1...Kxg6!
  • Keys
    • 1.Bg2!
      • 1...Kg4
        • 2.Bh3#
      • 1...Ke5
        • 2.Rh5#
      • 1...e5
        • 2.Bh3#

Anticipated by 157547(1926)

This anticipates 121219(2003)

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::R(E)
    • P(b);SBLOCK::R1(E)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Threat
        • R1(E)
      • Vars
        • K(a);P-FLIGHT::R(E)
      • Refutation
        • P(b);CHECK
    • Try
      • B(C);CHECK
      • Vars
        • K(a);P-FLIGHT::R(E)
      • Refutation
        • K(a);S_FLIGHT,XB(C)
    • Try
      • B(C);
      • Vars
        • P(b);SBLOCK::R1(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(E);
      • Threat
        • R1(E)
      • Vars
        • K(a);P-FLIGHT::R(E)
        • P(b);SBLOCK::R1(E)
      • Refutation
        • K(a);S_FLIGHT,XR(E)
  • Actual
    • B(C);
    • Vars
      • K(a);S_FLIGHT::B(C)
      • K(a);P-FLIGHT::R(E)
      • P(b);SBLOCK::B(C)
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