MESON Chess Problem Database

Problem Display
PID: 157288 (bb3BB1/3pRR2/3r4/1Pkr3p/P1Nq1N1K/1PP3p1/8/1n4Q1 w - - 0 1)

Gvozdjak, Peter

1st Prize, Pat a Mat, 1992

bb3BB1/3pRR2/3r4/1Pkr3p/P1Nq1N1K/1PP3p1/8/1n4Q1

#2

12 + 10

4901 Best Problems 2008

SOLUTION

  • SOUND
  • Tries
    • 1.Re5?
      • threat
        • 2.Qxd4#
      • 1...Qxg1
        • 2.Sd3#
      • 1...Qf2
        • 2.Sd3#
      • 1...Qe3
        • 2.Sd3#
        • 2.Qxe3#
      • 1...Sxc3!
    • 1.Rf5?
      • threat
        • 2.Qxd4#
      • 1...Qxg1
        • 2.Sd3#
      • 1...Rxf5
        • 2.b4#
      • 1...Qf2
        • 2.Sd3#
      • 1...Qe3
        • 2.Sd3#
        • 2.Qxe3#
      • 1...Re5
        • 2.b4#
      • 1...Sxc3!
  • Keys
    • 1.Re4!
      • threat
        • 2.Sd3#
      • 1...Qxg1
        • 2.b4#
      • 1...Qf2
        • 2.b4#
      • 1...Qe3
        • 2.b4#
      • 1...Re5
        • 2.Qxd4#
      • 1...Rf5
        • 2.Qxd4#
      • 1...Rg5
        • 2.Qxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(I);P_PINR(e)
      • Threat
        • QAB1(A),XQ(c)
      • Vars
        • Q(c);N_PINS(F),N_SPINQ(c),XQ(A)::S(F)
        • Q(c);N_PINS(F)::S(F)
      • Refutation
        • S(a);XP(C)
    • Try
      • R(J);P_PINR(e)
      • Threat
        • QAB1(A),XQ(c)
      • Vars
        • Q(c);N_PINS(F),N_SPINQ(c),XQ(A)::S(F)
        • R(e);N_SPINR(e),XR(J)::P(B)
        • Q(c);N_PINS(F)::S(F)
        • R(e);::P(B)
      • Refutation
        • S(a);XP(C)
  • Actual
    • R(I);N_SPINS(F),P_PINR(g)
    • Threat
      • S(F)
    • Vars
      • Q(c);N_SPINQ(c),XQ(A)::P(B)
      • Q(c);::P(B)
      • R(e);N_GUARD::QAB1(A),XQ(c)
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