MESON Chess Problem Database

Problem Display
PID: 94972 (8/7Q/8/B7/B7/pN6/1k2K3/8 w - - 0 1)

Babari, Jozef

Pravda, 2001

8/7Q/8/B7/B7/pN6/1k2K3/8

#2

5 + 2

6490 yacpdb 2009
15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Ka2
      • 2.Qc2#
  • Tries
    • 1.Kd1?
      • threat
        • 2.Qc2#
      • 1...Ka2
        • 2.Qc2#
      • 1...a2!
    • 1.Ke1?
      • 1...Ka2
        • 2.Qc2#
      • 1...a2!
    • 1.Kf1?
      • 1...Ka2
        • 2.Qc2#
      • 1...a2!
    • 1.Kd2?
      • threat
        • 2.Qc2#
      • 1...Ka2
        • 2.Qc2#
      • 1...a2!
    • 1.Kf2?
      • 1...Ka2
        • 2.Qc2#
      • 1...a2!
    • 1.Ke3?
      • 1...Ka2
        • 2.Qc2#
      • 1...a2!
    • 1.Kf3?
      • 1...Ka2
        • 2.Qc2#
      • 1...a2!
    • 1.Sc1?
      • 1...Ka1
        • 2.Bc3#
      • 1...Kxc1
        • 2.Qc2#
      • 1...a2!
    • 1.Sd2?
      • threat
        • 2.Qb1#
      • 1...Ka1
        • 2.Qb1#
      • 1...Kc1
        • 2.Qb1#
        • 2.Qc2#
      • 1...Ka2
        • 2.Qb1#
      • 1...a2!
    • 1.Bb5?
      • 1...Ka2
        • 2.Qc2#
      • 1...Kxb3
        • 2.Qb1#
      • 1...a2!
    • 1.Be1?
      • 1...Ka2
        • 2.Qc2#
      • 1...a2!
    • 1.Bd2?
      • 1...Ka2
        • 2.Qc2#
      • 1...a2!
    • 1.Bc3+?
      • 1...Ka2
        • 2.Sc1#
        • 2.Qc2#
      • 1...Kxc3!
    • 1.Bb4?
      • 1...Ka2
        • 2.Qc2#
      • 1...a2!
    • 1.Qd3?
      • 1...Ka2
        • 2.Qc2#
      • 1...a2!
    • 1.Qe4?
      • 1...Ka2
        • 2.Qc2#
      • 1...a2!
    • 1.Qf5?
      • 1...Ka2
        • 2.Qc2#
      • 1...a2!
    • 1.Qg6?
      • 1...Ka2
        • 2.Qc2#
      • 1...a2!
    • 1.Qc7?
      • 1...Ka2
        • 2.Qc2#
      • 1...a2
        • 2.Qc1#
      • 1...Kb1!
  • Keys
    • 1.Qh1!
      • 1...Ka2
        • 2.Qa1#
      • 1...Kc2
        • 2.Qc1#
      • 1...a2
        • 2.Qc1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAR2(E)
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Threat
        • QAR1(E)
      • Vars
        • K(a);P-FLIGHT::QAR2(E)
      • Refutation
        • P(b);
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR2(E)
      • Refutation
        • P(b);
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR2(E)
      • Refutation
        • P(b);
    • Try
      • K(A);P-FLIGHT
      • Threat
        • QAR1(E)
      • Vars
        • K(a);P-FLIGHT::QAR2(E)
      • Refutation
        • P(b);
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR2(E)
      • Refutation
        • P(b);
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR2(E)
      • Refutation
        • P(b);
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR2(E)
      • Refutation
        • P(b);
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::B(D)
        • K(a);S_FLIGHT,XS(B)::QAR1(E)
      • Refutation
        • P(b);
    • Try
      • S(B);
      • Threat
        • QAR1(E)
      • Vars
        • K(a);S_FLIGHT::QAR1(E)
        • K(a);P-FLIGHT::QAB1(E)
      • Refutation
        • P(b);
    • Try
      • B(C);
      • Vars
        • K(a);P-FLIGHT::QAR2(E)
        • K(a);P-FLIGHT,XS(B)::QAR2(E)
      • Refutation
        • P(b);
    • Try
      • B(D);
      • Vars
        • K(a);P-FLIGHT::QAR2(E)
      • Refutation
        • P(b);
    • Try
      • B(D);
      • Vars
        • K(a);P-FLIGHT::QAR2(E)
      • Refutation
        • P(b);
    • Try
      • B(D);CHECK
      • Refutation
        • K(a);S_FLIGHT,XB(D)
    • Try
      • B(D);
      • Vars
        • K(a);P-FLIGHT::QAR2(E)
      • Refutation
        • P(b);
    • Try
      • Q(E);
      • Vars
        • K(a);P-FLIGHT::QAR2(E)
      • Refutation
        • P(b);
    • Try
      • Q(E);
      • Vars
        • K(a);P-FLIGHT::QAR2(E)
      • Refutation
        • P(b);
    • Try
      • Q(E);
      • Vars
        • K(a);P-FLIGHT::QAR2(E)
      • Refutation
        • P(b);
    • Try
      • Q(E);
      • Vars
        • K(a);P-FLIGHT::QAR2(E)
      • Refutation
        • P(b);
    • Try
      • Q(E);
      • Vars
        • K(a);P-FLIGHT::QAR2(E)
        • P(b);SBLOCK::QAB1(E)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(E);
    • Vars
      • K(a);P-FLIGHT::QAR1(E)
      • P(b);SBLOCK::QAB1(E)
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