MESON Chess Problem Database

Problem Display
PID: 83875 (8/3pQ1B1/1K6/3PP3/3NkN2/P6P/3P4/8 w - - 0 1)

Majoros, Bela

Sakkelet, 1994

8/3pQ1B1/1K6/3PP3/3NkN2/P6P/3P4/8

#2

10 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd4
      • 2.Qb4#
    • 1...Kxf4
      • 2.Qh4#
  • Tries
    • 1.Ka5?
      • 1...Kxd4
        • 2.Qb4#
      • 1...Kxf4
        • 2.Qh4#
      • 1...d6!
    • 1.Kb5?
      • 1...Kxd4
        • 2.Qb4#
      • 1...Kxf4
        • 2.Qh4#
      • 1...d6!
    • 1.Kc5?
      • 1...Kxf4
        • 2.Qh4#
      • 1...d6+!
    • 1.Ka6?
      • 1...Kxd4
        • 2.Qb4#
      • 1...Kxf4
        • 2.Qh4#
      • 1...d6!
    • 1.Ka7?
      • 1...Kxd4
        • 2.Qb4#
      • 1...Kxf4
        • 2.Qh4#
      • 1...d6!
    • 1.Kb7?
      • 1...Kxd4
        • 2.Qb4#
      • 1...Kxf4
        • 2.Qh4#
      • 1...d6!
    • 1.Kc7?
      • 1...Kxd4
        • 2.Qb4#
      • 1...Kxf4
        • 2.Qh4#
      • 1...d6!
    • 1.Bh8?
      • 1...Kxd4
        • 2.Qb4#
      • 1...Kxf4
        • 2.Qh4#
      • 1...d6!
    • 1.Qd6?
      • 1...Kxd4
        • 2.Qb4#
      • 1...Kxf4!
    • 1.Qf8?
      • 1...Kxd4
        • 2.Qb4#
      • 1...d6!
    • 1.a4?
      • 1...Kxd4
        • 2.Qb4#
      • 1...Kxf4
        • 2.Qh4#
      • 1...d6!
    • 1.d6?
      • 1...Kxf4
        • 2.Qh4#
      • 1...Kxd4!
  • Keys
    • 1.Qxd7!
      • 1...Kxd4
        • 2.Qa4#
      • 1...Kxf4
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);OGATEB,P-FLIGHT,XS(D)::QAR2(I)
    • K(a);OGATEB,P-FLIGHT,XS(E)::QAR2(I)
  • Tries
    • Try
      • K(H);S_FLIGHT
      • Vars
        • K(a);OGATEB,P-FLIGHT,XS(D)::QAR2(I)
        • K(a);OGATEB,P-FLIGHT,XS(E)::QAR2(I)
      • Refutation
        • P(b);
    • Try
      • K(H);P-FLIGHT
      • Vars
        • K(a);OGATEB,P-FLIGHT,XS(D)::QAR2(I)
        • K(a);OGATEB,P-FLIGHT,XS(E)::QAR2(I)
      • Refutation
        • P(b);
    • Try
      • K(H);S_FLIGHT
      • Vars
        • K(a);OGATEB,P-FLIGHT,XS(E)::QAR2(I)
      • Refutation
        • P(b);CHECK
    • Try
      • K(H);P-FLIGHT
      • Vars
        • K(a);OGATEB,P-FLIGHT,XS(D)::QAR2(I)
        • K(a);OGATEB,P-FLIGHT,XS(E)::QAR2(I)
      • Refutation
        • P(b);
    • Try
      • K(H);S_FLIGHT
      • Vars
        • K(a);OGATEB,P-FLIGHT,XS(D)::QAR2(I)
        • K(a);OGATEB,P-FLIGHT,XS(E)::QAR2(I)
      • Refutation
        • P(b);
    • Try
      • K(H);P-FLIGHT
      • Vars
        • K(a);OGATEB,P-FLIGHT,XS(D)::QAR2(I)
        • K(a);OGATEB,P-FLIGHT,XS(E)::QAR2(I)
      • Refutation
        • P(b);
    • Try
      • K(H);S_FLIGHT
      • Vars
        • K(a);OGATEB,P-FLIGHT,XS(D)::QAR2(I)
        • K(a);OGATEB,P-FLIGHT,XS(E)::QAR2(I)
      • Refutation
        • P(b);
    • Try
      • B(J);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XS(D)::QAR2(I)
        • K(a);OGATEB,P-FLIGHT,XS(E)::QAR2(I)
      • Refutation
        • P(b);
    • Try
      • Q(I);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XS(D)::QAR2(I)
      • Refutation
        • K(a);P-FLIGHT,XS(E)
    • Try
      • Q(I);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XS(D)::QAR2(I)
      • Refutation
        • P(b);
    • Try
      • P(B);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XS(D)::QAR2(I)
        • K(a);OGATEB,P-FLIGHT,XS(E)::QAR2(I)
      • Refutation
        • P(b);
    • Try
      • P(F);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XS(E)::QAR2(I)
      • Refutation
        • K(a);P-FLIGHT,XS(D)
  • Actual
    • Q(I);XP(b)
    • Vars
      • K(a);OGATEB,P-FLIGHT,XS(D)::QAR(I)
      • K(a);OGATEB,P-FLIGHT,XS(E)::QAR1(I)
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