MESON Chess Problem Database

Problem Display
PID: 40484 (B5nK/1R1p2p1/2Nrp3/Pprkp3/2p4b/5P2/n1p1p1q1/4Q3 w - - 0 1)

Pape, Edouard

Recomm., BCF 028. Ty., 1938-1939

B5nK/1R1p2p1/2Nrp3/Pprkp3/2p4b/5P2/n1p1p1q1/4Q3

#2

7 + 15

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc6
      • 2.Ra7#
    • 1...Rxc6
      • 2.Rxd7#
      • 2.Qd2#
    • 1...dxc6
      • 2.Qd2#
  • Tries
    • 1.Sb4+?
      • 1...Kd4
        • 2.Qd2#
      • 1...Sxb4!
  • Keys
    • 1.Qd2+!
      • 1...Kxc6
        • 2.Ra7#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • K(i);OGATEB,S_FLIGHT,XS(D)::B(F)+R(E)
    • P(m);SBLOCK,XS(D)::QAR(A)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(i);P-FLIGHT::QAR2(A)
      • Refutation
        • S(a);XS(D)
  • Actual
    • Q(A);CHECK
    • Vars
      • K(i);S_FLIGHT,XS(D)::B(F)+R(E)
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