MESON Chess Problem Database

Problem Display
PID: 8020 (2Q5/8/8/8/8/3kp3/PB6/Rb2K3 w Q - 0 1)

Rice, John Michael

Chess Problems for Solving, 1995

2Q5/8/8/8/8/3kp3/PB6/Rb2K3

#2

5 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Qa6+?
      • 1...Kc2
        • 2.Qe2#
      • 1...Ke4!
    • 1.Qe6?
      • 1...Kc2
        • 2.Qb3#
      • 1...Bc2
        • 2.Qd5#
      • 1...e2
        • 2.Qxe2#
      • 1...Bxa2!
    • 1.Qc6?
      • 1...Bxa2
        • 2.Rd1#
      • 1...Bc2
        • 2.Qd5#
      • 1...e2!
  • Keys
    • 1.Qg4!
      • 1...Kc2
        • 2.Qe2#
      • 1...Bxa2
        • 2.0-0-0#
      • 1...e2
        • 2.Qxe2#
      • 1...Bc2
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);CHECK
      • Vars
        • K(b);OGATE,S_FLIGHT::QAR2(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(b);S_FLIGHT::QAB1(E)
        • B(a);SBLOCK::QAR2(E)
        • P(c);OGATE::QAB1(E),XP(c)
      • Refutation
        • B(a);XP(C)
    • Try
      • Q(E);
      • Vars
        • B(a);OGATE,XP(C)::R(A)
        • B(a);SBLOCK::QAR2(E)
      • Refutation
        • P(c);
  • Actual
    • Q(E);
    • Vars
      • K(b);S_FLIGHT::QAR2(E)
      • B(a);XP(C)::0-0-0
      • P(c);::QAB1(E),XP(c)
      • B(a);SBLOCK::QAR1(E)
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