MESON Chess Problem Database

Problem Display
PID: 164410 (r7/8/p4P2/8/1R5n/3N1kp1/8/K1Q5 w - - 0 1)

Zujevas, Nikolajus

Sachmatija, 2006

r7/8/p4P2/8/1R5n/3N1kp1/8/K1Q5

#2

5 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.Se5+?
      • 1...Ke2
        • 2.Rb2#
      • 1...Kf2
        • 2.Rb2#
      • 1...Kg2!
  • Keys
    • 1.Qd2!
      • threat
        • 2.Se1#
        • 2.Se5#
        • 2.Rf4#
      • 1...g2
        • 2.Qf2#
      • 1...Re8
        • 2.Rf4#
      • 1...Sg2
        • 2.Se5#
      • 1...Sg6
        • 2.Se1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(a);S_FLIGHT::R(D)
        • K(a);P-FLIGHT::R(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(B);
    • Threat
      • DUALS(3)
    • Vars
      • P(b);N_GUARD::QAR1(B)
      • R(e);::R1(D)
      • S(c);::S(C)
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