MESON Chess Problem Database

Problem Display
PID: 84223 (7Q/3Rp2K/5r2/3Pk3/8/4P1N1/8/8 w - - 0 1)

Garaza, Luis Alberto

The Problemist, 1957

7Q/3Rp2K/5r2/3Pk3/8/4P1N1/8/8

#2

6 + 3

6490 yacpdb 2009
5454 Near Snap 2019

SOLUTION

  • SOUND
  • Sets
    • 1...e6
      • 2.Qb8#
  • Keys
    • 1.Kg7!
      • 1...Rg6+
        • 2.Kxg6#
      • 1...Rf7+
        • 2.Kxf7#
      • 1...Rd6
        • 2.Qh5#
      • 1...Rf1
        • 2.Qb8#
      • 1...Rf2
        • 2.Qb8#
      • 1...Rf3
        • 2.Qb8#
      • 1...Rf4
        • 2.Qb8#
      • 1...Rf5
        • 2.Qb8#
      • 1...Ra6
        • 2.Qh5#
      • 1...Rb6
        • 2.Qh5#
      • 1...Rc6
        • 2.Qh5#
      • 1...Re6
        • 2.Qh5#
      • 1...Rh6
        • 2.Kxh6#
      • 1...Rf8
        • 2.Kxf8#
      • 1...e6
        • 2.Qb8#

Anticipated by 187854(1910)

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 14
    • REMOVED MATES = 0
  • Sets
    • P(c);::QAB(F)
  • Actual
    • K(E);N_PINR(b),P-FLIGHT
    • Vars
      • R(b);CHECK::QAB(F)+K(E),XR(b)
      • R(b);N_GUARD::QAR(F)
      • R(b);N_GUARD::QAB(F)
      • R(b);::QAB(F)+K(E),XR(b)
      • P(c);S_CUTR(b)::QAB(F)
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