MESON Chess Problem Database

Problem Display
PID: 138546 (8/8/5N2/4N2p/7K/4k3/1PQ5/8 w - - 0 1)

Nesic, Milivoj S

NIN, 1995

8/8/5N2/4N2p/7K/4k3/1PQ5/8

#2

5 + 2

6490 yacpdb 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qc3#
    • 1...Kf4
      • 2.Qe4#
  • Tries
    • 1.Kg3?
      • threat
        • 2.Qd3#
        • 2.Qf2#
      • 1...Kd4
        • 2.Qc3#
      • 1...h4+!
    • 1.Kg5?
      • 1...Kd4
        • 2.Qc3#
      • 1...h4!
    • 1.Kxh5?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4!
    • 1.Sd3?
      • 1...Kf3
        • 2.Qf2#
      • 1...Kd4!
    • 1.Sf3?
      • 1...Kf4
        • 2.Qe4#
      • 1...Kxf3!
    • 1.Seg4+?
      • 1...Kf3
        • 2.Qe4#
        • 2.Qf2#
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qe4#
        • 2.Qf2#
      • 1...hxg4!
    • 1.Sc6?
      • 1...Kf4
        • 2.Qe4#
        • 2.Qf2#
      • 1...Kf3!
    • 1.Sg6?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf3!
    • 1.Sed7?
      • 1...Kd4
        • 2.Qe4#
        • 2.Qc3#
      • 1...Kf4
        • 2.Qe4#
        • 2.Qf2#
      • 1...Kf3!
    • 1.Sf7?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qe4#
        • 2.Qf2#
      • 1...Kf3!
    • 1.Sfd7?
      • 1...Kd4
        • 2.Qd3#
      • 1...Kf4!
    • 1.Qd3+?
      • 1...Kf4
        • 2.Sg6#
        • 2.Qe4#
      • 1...Kf2!
    • 1.Qg2?
      • 1...Kf4
        • 2.Qe4#
        • 2.Qg5#
      • 1...Kd4!
    • 1.b3?
      • 1...Kf4
        • 2.Qe4#
      • 1...Kd4!
  • Keys
    • 1.b4!
      • 1...Kd4
        • 2.Qc5#
      • 1...Kf4
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB1(B)
    • K(a);S_FLIGHT::QAR1(B)
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • P(b);CHECK
    • Try
      • K(C);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • P(b);
    • Try
      • K(C);P-FLIGHT,XP(b)
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);P-FLIGHT,XS(D)
    • Try
      • S(D);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • P(b);XS(D)
    • Try
      • S(D);
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(D);
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(D);
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(D);
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(E);
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(A);
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • P(A);
    • Vars
      • K(a);S_FLIGHT::QAB1(B)
      • K(a);S_FLIGHT::QAR1(B)
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