MESON Chess Problem Database

Problem Display
PID: 227883 (3K4/2p5/3k4/5P2/2Q2P2/8/8/8 w - - 0 1)

Cristoffanini, Guido

Pasella, Alfonso

Revista de Sah, 1926

3K4/2p5/3k4/5P2/2Q2P2/8/8/8

#2

4 + 2

3713 Snap 2020
6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...c5
      • 2.Qe6#
    • 1...c6
      • 2.Qd4#
  • Tries
    • 1.Qe4?
      • 1...c5
        • 2.Qe6#
      • 1...c6
        • 2.Qd4#
        • 2.Qe5#
      • 1...Kc5!
  • Keys
    • 1.Qb5!
      • 1...c5
        • 2.Qd7#
      • 1...c6
        • 2.Qe5#

Anticipated by 22084(1924)

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK::QAR1(A)
    • P(b);SBLOCK::QAR2(A)
  • Tries
    • Try
      • Q(A);
      • Vars
        • P(b);SBLOCK::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • P(b);SBLOCK::QAR1(A)
      • P(b);SBLOCK::QAB1(A)
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