MESON Chess Problem Database

Problem Display
PID: 287460 (8/4K3/2p5/3pk3/1Q4P1/3P1Pp1/4n3/3Nr3 w - - 0 1)

Mendes de Moraes Filho, Feliciano

2nd HM., To Mat, 1960

8/4K3/2p5/3pk3/1Q4P1/3P1Pp1/4n3/3Nr3

#2

6 + 6

15601 Albrecht-Leiss-Degener Collection 2026

SOLUTION

  • SOUND
  • Sets
    • 1...Sc1
      • 2.f4#
    • 1...Sg1
      • 2.f4#
    • 1...Sc3
      • 2.f4#
    • 1...Sd4
      • 2.Qd6#
      • 2.Qb8#
    • 1...Sf4
      • 2.d4#
    • 1...d4
      • 2.Qd6#
  • Tries
    • 1.d4+?
      • 1...Sxd4
        • 2.Qd6#
        • 2.Qb8#
      • 1...Kf4!
  • Keys
    • 1.Qd2!
      • threat
        • 2.Qe3#
      • 1...Kd4
        • 2.Qe3#
      • 1...Sc1
        • 2.d4#
      • 1...Sg1
        • 2.d4#
      • 1...Sc3
        • 2.d4#
      • 1...Sd4
        • 2.f4#
      • 1...Sf4
        • 2.d4#
      • 1...d4
        • 2.Qg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(b);N_GUARD::P(C)
    • S(b);N_GUARD,SBLOCK::P(B)
    • P(d);::QAB1(D)
  • Tries
    • Try
      • P(B);CHECK
      • Refutation
        • K(e);S_FLIGHT
  • Actual
    • Q(D);
    • Threat
      • QAR2(D)
    • Vars
      • K(e);S_FLIGHT::QAB1(D)
      • S(b);N_GUARD::P(B)
      • S(b);N_GUARD,SBLOCK::P(C)
      • P(d);SBLOCK::QAR2(D)
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