MESON Chess Problem Database

Problem Display
PID: 49943 (Q4bKB/3pr1n1/1N1p2p1/1p1Pkp2/1P3R1R/7N/1p1P4/1B6 w - - 0 1)

Velimirovic, Milan

2/3 Prize, Cik, 1969

Q4bKB/3pr1n1/1N1p2p1/1p1Pkp2/1P3R1R/7N/1p1P4/1B6

#2

11 + 10

3335 Cyclone 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Re6
      • 2.Sxd7#
    • 1...Re8
      • 2.Sxd7#
    • 1...g5
      • 2.Rxf5#
  • Tries
    • 1.Rh6?
      • 1...Kf6
        • 2.Rxf5#
      • 1...Re6
        • 2.Sxd7#
      • 1...Re8
        • 2.Sxd7#
      • 1...g5
        • 2.d4#
      • 1...Rf7!
    • 1.Qxf8?
      • threat
        • 2.Qxe7#
        • 2.d4#
      • 1...Re6
        • 2.d4#
      • 1...Re8
        • 2.Bxg7#
        • 2.d4#
      • 1...Rf7!
  • Keys
    • 1.Qd8!
      • 1...Kf6
        • 2.Sxd7#
      • 1...Rf7
        • 2.d4#
      • 1...Re6
        • 2.d4#
      • 1...Re8
        • 2.d4#
      • 1...g5
        • 2.Rxf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(h);N_GUARD::S(H),XP(g)
    • P(f);N_GUARD::R1(E),XP(d)
  • Tries
    • Try
      • R(F);
      • Vars
        • K(c);P_SPINP(d),S_FLIGHT::R1(E),XP(d)
        • R(h);N_GUARD::S(H),XP(g)
        • P(f);::P(B)
      • Refutation
        • R(h);
    • Try
      • Q(I);XB(j)
      • Threat
        • DUALS(2)
      • Vars
        • R(h);::P(B)
      • Refutation
        • R(h);
  • Actual
    • Q(I);
    • Vars
      • K(c);P_SPINP(d),P_SPINR(h),S_FLIGHT::S(H),XP(g)
      • R(h);::P(B)
      • P(f);N_GUARD::R1(E),XP(d)
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