MESON Chess Problem Database

Problem Display
PID: 47848 (RNR5/2nrb3/1p1p4/1k1p1Q2/p3P3/P7/1N1B4/2K5 w - - 0 1)

Mosiashvili, Givi

2/4 HM., Pilchenko-50 JT (Uralski Problemist), 2002

RNR5/2nrb3/1p1p4/1k1p1Q2/p3P3/P7/1N1B4/2K5

#2

9 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Qxd5#
    • 1...Sa6
      • 2.Qxd7#
      • 2.Qf1#
    • 1...Se6
      • 2.Qf1#
    • 1...Sxa8
      • 2.Qxd7#
      • 2.Qf1#
      • 2.Qxd5#
    • 1...Se8
      • 2.Qxd7#
      • 2.Qf1#
      • 2.Qxd5#
  • Tries
    • 1.Sa6?
      • threat
        • 2.Qxd7#
      • 1...Kc6
        • 2.Qxd5#
      • 1...Sxa8
        • 2.Qf1#
      • 1...Se6
        • 2.Qf1#
      • 1...Rd8!
    • 1.Be3?
      • threat
        • 2.Qxd7#
        • 2.Qf1#
      • 1...Sxa8
        • 2.Qxd5#
      • 1...Rd8
        • 2.Qf1#
      • 1...Se6
        • 2.Qf1#
      • 1...Sa6!
    • 1.Bb4?
      • threat
        • 2.Qxd7#
        • 2.Qf1#
      • 1...Rd8
        • 2.Qf1#
      • 1...Se6
        • 2.Qf1#
      • 1...Bg5+!
    • 1.Rxc7?
      • threat
        • 2.Qxd7#
        • 2.Qf1#
        • 2.Qxd5#
      • 1...Rd8
        • 2.Qf1#
        • 2.Qxd5#
      • 1...Rxc7+!
  • Keys
    • 1.Sxa4!
      • threat
        • 2.Qf1#
      • 1...Kc4
        • 2.Qxd5#
      • 1...Sxa8
        • 2.Qxd7#
      • 1...Sa6
        • 2.Qxd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • K(b);P-FLIGHT,P_SPINS(f)::QAR1(F),XP(c)
    • S(f);::QAB(F)
  • Tries
    • Try
      • S(H);
      • Threat
        • QAB(F),XR(g)
      • Vars
        • K(b);N_SPINP(c),P_SPINS(f),S_FLIGHT::QAB1(F),XP(c)
        • S(f);XR(G)::QAB(F)
        • S(f);::QAB(F)
      • Refutation
        • R(g);
    • Try
      • B(C);
      • Threat
        • DUALS(2)
      • Vars
        • S(f);N_GUARD,XR(G)::QAR2(F),XP(c)
        • R(g);::QAB(F)
        • S(f);::QAB(F)
      • Refutation
        • S(f);
    • Try
      • B(C);
      • Threat
        • DUALS(2)
      • Vars
        • R(g);::QAB(F)
        • S(f);::QAB(F)
      • Refutation
        • B(h);CHECK
    • Try
      • R(I);XS(f)
      • Threat
        • DUALS(3)
      • Refutation
        • R(g);CHECK,XR(I)
  • Actual
    • S(B);XP(a)
    • Threat
      • QAB(F)
    • Vars
      • K(b);N_SPINP(c),P_SPINS(f),S_FLIGHT::QAB1(F),XP(c)
      • S(f);XR(G)::QAB(F),XR(g)
      • S(f);::QAB(F),XR(g)
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