MESON Chess Problem Database

Problem Display
PID: 101136 (8/7K/8/3Q3p/k2p4/p6r/N1PR4/b7 w - - 0 1)

Mendes de Moraes Filho, Feliciano

Good Companions, 1922

8/7K/8/3Q3p/k2p4/p6r/N1PR4/b7

#2

5 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rb3
      • 2.cxb3#
  • Keys
    • 1.c4!
      • threat
        • 2.Qb5#
      • 1...Kb3
        • 2.Qb5#
      • 1...dxc4 ep
        • 2.Rd4#
      • 1...Rb3
        • 2.Qa8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(c);OGATE::P(B),XR(c)
  • Actual
    • P(B);
    • Threat
      • QAB1(D)
    • Vars
      • K(d);S_FLIGHT::QAR2(D)
      • P(e);EP,OGATEB,XP(B)::R(C)
      • R(c);SBLOCK::QAR(D)
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