MESON Chess Problem Database

Problem Display
PID: 213663 (8/8/2Q5/8/3k1N2/8/8/5K1B w - - 0 1)

Riczu, Lajos

Land og Folk, 1974

8/8/2Q5/8/3k1N2/8/8/5K1B

#2

4 + 1

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Ke1?
      • 1...Ke3
        • 2.Qe4#
      • 1...Ke5!
    • 1.Se2+?
      • 1...Kd3
        • 2.Qc3#
      • 1...Ke3
        • 2.Qc3#
      • 1...Ke5!
    • 1.Sh5?
      • 1...Ke3
        • 2.Qc3#
      • 1...Ke5
        • 2.Qd5#
        • 2.Qf6#
      • 1...Kd3!
    • 1.Sg6?
      • 1...Ke3
        • 2.Qc3#
      • 1...Kd3!
    • 1.Qd5+?
      • 1...Ke3
        • 2.Sg2#
      • 1...Kc3!
    • 1.Qc2?
      • 1...Ke3
        • 2.Qf2#
      • 1...Ke5!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Qc3#
      • 1...Kd3
        • 2.Qc3#
      • 1...Ke5
        • 2.Qf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(D)
        • K(a);S_FLIGHT::QAR2(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::QAR2(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::QAR2(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);S_FLIGHT::S(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);
      • Vars
        • K(a);S_FLIGHT::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(C);
    • Threat
      • QAB1(D)
    • Vars
      • K(a);P-FLIGHT::QAR1(D)
      • K(a);S_FLIGHT::QAB1(D)
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