MESON Chess Problem Database

Problem Display
PID: 193432 (8/8/2Q5/rq1p4/k7/P1R5/1P6/1K6 w - - 0 1)

Jakab, Arpad

Pesti Naplo, 1914

8/8/2Q5/rq1p4/k7/P1R5/1P6/1K6

#2

5 + 4

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Keys
    • 1.Rb3!
      • threat
        • 2.Rb4#
      • 1...Kxb3
        • 2.Qc2#
      • 1...Ra6
        • 2.Qxb5#
      • 1...Ra7
        • 2.Qxb5#
      • 1...Ra8
        • 2.Qxb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(D);N_SPINP(B)
    • Threat
      • R1(D)
    • Vars
      • K(a);N_SPINQ(c),OGATEB,S_FLIGHT,XR(D)::QAB1(E)
      • R(b);N_GUARD::QAB1(E),XQ(c)
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