MESON Chess Problem Database

Problem Display
PID: 103987 (8/2b4K/8/8/2r3R1/6R1/3B4/7k w - - 0 1)

Ivanic, Petar

Vecherni Novosti, 1962

8/2b4K/8/8/2r3R1/6R1/3B4/7k

#2

4 + 3

6490 yacpdb 2009
5454 Near Snap 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Rc1
      • 2.Rh4#
    • 1...Rc2
      • 2.Rh4#
    • 1...Rc3
      • 2.Rh4#
    • 1...Rf4
      • 2.Rh3#
    • 1...Rc5
      • 2.Rh4#
    • 1...Rc6
      • 2.Rh4#
    • 1...Bf4
      • 2.Rh4#
    • 1...Ba5
      • 2.Rh3#
    • 1...Bb6
      • 2.Rh3#
    • 1...Bd8
      • 2.Rh3#
  • Keys
    • 1.Bf4!
      • threat
        • 2.Rg1#
        • 2.Rh3#
        • 2.Rh4#
      • 1...Kh2
        • 2.Rh4#
      • 1...Rxf4
        • 2.Rh3#
      • 1...Bxf4
        • 2.Rh4#
      • 1...Rc1
        • 2.Rh3#
        • 2.Rh4#
      • 1...Rc2
        • 2.Rg1#
      • 1...Rc3
        • 2.Rg1#
        • 2.Rh4#
      • 1...Bb6
        • 2.Rh3#
        • 2.Rh4#
      • 1...Bd8
        • 2.Rg1#
        • 2.Rh3#

This anticipates 118250(1988)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 7
  • Sets
    • R(b);N_GUARD::R(C)
    • R(b);S_CUTB(c)::R(B)
    • B(c);S_CUTR(b)::R(C)
    • B(c);N_GUARD::R(B)
  • Actual
    • B(A);
    • Threat
      • DUALS(3)
    • Vars
      • K(a);P-FLIGHT::R(C)
      • R(b);XB(A)::R(B)
      • B(c);XB(A)::R(C)
      • R(b);::R1(B)
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