MESON Chess Problem Database

Problem Display
PID: 169340 (3Q4/2p5/8/3n4/R1nkN1p1/3N1P2/3P4/3K1B2 w - - 0 1)

Serafimovic, Ilya

1st HM., SuperProblem 165. TT, 2016

3Q4/2p5/8/3n4/R1nkN1p1/3N1P2/3P4/3K1B2

#2

8 + 5

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sc3?
      • threat
        • 2.Sb5#
        • 2.Qxd5#
      • 1...gxf3
        • 2.Qxd5#
      • 1...c6!
    • 1.Qd6?
      • threat
        • 2.Qc5#
        • 2.Qe5#
      • 1...gxf3
        • 2.Qe5#
      • 1...c5
        • 2.Qxc5#
        • 2.Qe5#
      • 1...cxd6!
  • Keys
    • 1.Qg5!
      • threat
        • 2.Qe5#
      • 1...Sc3+
        • 2.dxc3#
      • 1...Se3+
        • 2.dxe3#
      • 1...Sb4
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);XP(E)::QAR1(H),XS(d)
      • Refutation
        • P(e);
    • Try
      • Q(H);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);XP(E)::QAB1(H)
      • Refutation
        • P(e);XQ(H)
  • Actual
    • Q(H);
    • Threat
      • QAB1(H)
    • Vars
      • S(d);CHECK,OGATE::P(C),XS(d)
      • S(d);N_SPINS(a),OGATE::QAB1(H)
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