MESON Chess Problem Database

Problem Display
PID: 108500 (8/8/1p1p4/bP1Q4/kp6/P7/2p5/K1N5 w - - 0 1)

Juk, Aleksandr I

Patriot Batkivshini, 1989

8/8/1p1p4/bP1Q4/kp6/P7/2p5/K1N5

#2

5 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxa3
      • 2.Qa2#
      • 2.Qb3#
    • 1...bxa3
      • 2.Qb3#
    • 1...b3
      • 2.Qxb3#
  • Tries
    • 1.Kb2?
      • 1...b3
        • 2.Qxb3#
      • 1...bxa3+!
    • 1.Qc4?
      • 1...Kxa3
        • 2.Qa2#
        • 2.Qb3#
      • 1...d5!
    • 1.Qd3?
      • 1...bxa3
        • 2.Qb3#
      • 1...b3
        • 2.Qxb3#
      • 1...d5!
  • Keys
    • 1.Ka2!
      • 1...b3+
        • 2.Qxb3#
      • 1...bxa3
        • 2.Qb3#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(c);XP(C)::QAB1(E)
    • P(c);::QAB1(E),XP(c)
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Vars
        • P(c);::QAB1(E),XP(c)
      • Refutation
        • P(c);CHECK,XP(C)
    • Try
      • Q(E);P_PINP(c)
      • Refutation
        • P(f);
    • Try
      • Q(E);
      • Vars
        • P(c);XP(C)::QAB1(E)
        • P(c);::QAB1(E),XP(c)
      • Refutation
        • P(f);
  • Actual
    • K(A);P-FLIGHT
    • Vars
      • P(c);CHECK::QAB1(E),XP(c)
      • P(c);XP(C)::QAB1(E)
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