MESON Chess Problem Database

Problem Display
PID: 183249 (8/8/2B5/5p2/8/5Nk1/Q4N2/7K w - - 0 1)

Klipachev, Vladimir Panteleevich

Kudesnik, 2018

8/8/2B5/5p2/8/5Nk1/Q4N2/7K

#2

5 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Kg1?
      • 1...f4
        • 2.Qg8#
      • 1...Kf4!
    • 1.Sd3?
      • threat
        • 2.Qg2#
      • 1...Kh3
        • 2.Qg2#
      • 1...Kg4!
    • 1.Sh3?
      • threat
        • 2.Qg2#
      • 1...Kxh3
        • 2.Qg2#
      • 1...Kg4!
    • 1.Qb1?
      • 1...Kxf2
        • 2.Qe1#
      • 1...f4
        • 2.Qg1#
      • 1...Kf4!
    • 1.Qe6?
      • 1...Kxf2
        • 2.Qe1#
      • 1...Kf4
        • 2.Qe5#
      • 1...f4!
    • 1.Qg8+?
      • 1...Kf4
        • 2.Qg5#
      • 1...Kxf2!
    • 1.Qb2?
      • 1...Kf4
        • 2.Qe5#
      • 1...f4!
    • 1.Qe2?
      • 1...Kf4
        • 2.Qe5#
      • 1...f4!
    • 1.Qa5?
      • 1...Kxf2
        • 2.Qe1#
      • 1...Kf4
        • 2.Qe5#
      • 1...f4!
  • Keys
    • 1.Qa1!
      • 1...Kxf2
        • 2.Qe1#
      • 1...Kf4
        • 2.Qe5#
      • 1...f4
        • 2.Qg1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • P(b);SBLOCK::QAR(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(C);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);P-FLIGHT,XS(C)::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);OGATEB,S_FLIGHT,XS(C)::QAB1(B)
        • P(b);SBLOCK::QAR2(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);OGATEB,S_FLIGHT,XS(C)::QAB1(B)
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • P(b);
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • P(b);
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • P(b);
    • Try
      • Q(B);
      • Vars
        • K(a);OGATEB,S_FLIGHT,XS(C)::QAB1(B)
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • P(b);
  • Actual
    • Q(B);
    • Vars
      • K(a);OGATEB,S_FLIGHT,XS(C)::QAB1(B)
      • K(a);S_FLIGHT::QAB1(B)
      • P(b);SBLOCK::QAR2(B)
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