MESON Chess Problem Database

Problem Display
PID: 287463 (8/1p6/Q1r2p2/1nR2N2/4k1K1/7R/3Prp2/bb6 w - - 0 1)

Musante, Horacio Luis

2nd Comm., To Mat, 1954

8/1p6/Q1r2p2/1nR2N2/4k1K1/7R/3Prp2/bb6

#2

6 + 9

15601 Albrecht-Leiss-Degener Collection 2026

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd2
      • 2.Re3#
    • 1...Re3
      • 2.Rxe3#
    • 1...Ba2
      • 2.d3#
    • 1...Sa3
      • 2.Qxe2#
    • 1...Sc3
      • 2.Qc4#
    • 1...Sd4
      • 2.Sg3#
    • 1...Sd6
      • 2.Qxe2#
    • 1...Sa7
      • 2.Qxe2#
    • 1...Sc7
      • 2.Qxe2#
  • Keys
    • 1.Qxb7!
      • threat
        • 2.Qxc6#
      • 1...Rxd2
        • 2.Re3#
      • 1...Re3
        • 2.Rxe3#
      • 1...Ba2
        • 2.d3#
      • 1...Sc3
        • 2.Qb4#
      • 1...Sd4
        • 2.Sd6#
      • 1...Sa7
        • 2.Qxb1#
      • 1...Sc7
        • 2.Qxb1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • R(c);N_GUARD,XP(A)::R1(B)
    • R(c);N_GUARD::R1(B),XR(c)
    • B(b);N_GUARD::P(A)
    • S(f);OGATE::QAR2(F),XR(c)
    • S(f);OGATE::QAR2(F)
    • S(f);SBLOCK::S(E)
  • Actual
    • Q(F);P_PINR(g),XP(i)
    • Threat
      • QAB(F),XR(g)
    • Vars
      • R(c);N_GUARD,XP(A)::R1(B)
      • R(c);N_GUARD::R1(B),XR(c)
      • B(b);N_GUARD::P(A)
      • S(f);OGATE::QAR(F)
      • S(f);N_GUARD,SBLOCK::S(E)
      • S(f);OGATE::QAB(F),XB(b)
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