MESON Chess Problem Database

Problem Display
PID: 141868 (8/8/8/8/8/6p1/1NRp1kBp/2BK1NRn w - - 0 1)

Velimirovic, Milan

Liga Problemista, 1980/2

8/8/8/8/8/6p1/1NRp1kBp/2BK1NRn

#2

7 + 5

6490 yacpdb 2011

SOLUTION

  • SOUND
  • Sets
    • 1...hxg1Q
      • 2.Rxd2#
    • 1...hxg1B
      • 2.Rxd2#
    • 1...hxg1R
      • 2.Rxd2#
  • Keys
    • 1.Sxd2!
      • threat
        • 2.Sf3#
      • 1...hxg1Q+
        • 2.Sf1#
      • 1...hxg1R+
        • 2.Sf1#
      • 1...Kxg1
        • 2.Sf3#
      • 1...Ke3
        • 2.Sb3#
      • 1...hxg1S
        • 2.Se4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • P(d);P_PINS(C),SBLOCK,XR(D)::R(F),XP(b)
    • P(d);SBLOCK,XR(D)::R(F),XP(b)
  • Actual
    • S(C);XP(b)
    • Threat
      • R(F)+S(C)
    • Vars
      • P(d);CHECK,SBLOCK,XR(D)::R(F)+S(C)
      • K(c);S_FLIGHT,XR(D)::S(C)
      • K(c);S_FLIGHT::B(A)+S(C)
      • P(d);SBLOCK,XR(D)::R(F)+S(C),DCHECK
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