MESON Chess Problem Database

Problem Display
PID: 213690 (b2R1N2/4p2P/r4P1N/p2nk1p1/4n1r1/KQ2P1P1/3Rp3/4bq2 w - - 0 1)

Musante, Horacio Luis

Suomen Shakki, 1953

b2R1N2/4p2P/r4P1N/p2nk1p1/4n1r1/KQ2P1P1/3Rp3/4bq2

#2

10 + 12

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf6
      • 2.h8Q#
      • 2.h8B#
    • 1...Sc3
      • 2.Sd7#
    • 1...Sxe3
      • 2.Sd7#
    • 1...Sb4
      • 2.Sd7#
    • 1...Sf4
      • 2.Sd7#
    • 1...Sb6
      • 2.Qe6#
    • 1...Sxf6
      • 2.Sg6#
    • 1...Sc7
      • 2.Sd7#
  • Tries
    • 1.R2xd5+?
      • 1...Kxf6
        • 2.h8Q#
        • 2.h8B#
      • 1...Bxd5!
    • 1.R8xd5+?
      • 1...Kxf6
        • 2.h8Q#
        • 2.h8B#
      • 1...Bxd5!
    • 1.Qxd5+?
      • 1...Kxf6
        • 2.h8Q#
        • 2.h8B#
      • 1...Bxd5!
  • Keys
    • 1.Qd3!
      • threat
        • 2.Qd4#
      • 1...Kxf6
        • 2.h8Q#
        • 2.h8B#
      • 1...Sxd2
        • 2.Sxg4#
      • 1...Sxg3
        • 2.Sxg4#
      • 1...Sexf6
        • 2.Sf7#
      • 1...Sf2
        • 2.Qf5#
      • 1...Sec3
        • 2.Sxg4#
      • 1...Sc5
        • 2.Sxg4#
      • 1...Sd6
        • 2.Sxg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 7
  • Sets
    • K(h);S_FLIGHT,XP(F)::P=Q
    • S(g);::S(J)
    • S(g);XP(D)::S(J)
    • S(g);OGATE::QAR1(C)
    • S(g);SBLOCK,XP(F)::S(J)
  • Tries
    • Try
      • R(A);CHECK,XS(g)
      • Vars
        • K(h);S_FLIGHT,XP(F)::P=Q
      • Refutation
        • B(l);XR(A)
    • Try
      • R(I);CHECK,XS(g)
      • Vars
        • K(h);S_FLIGHT,XP(F)::P=Q
      • Refutation
        • B(l);XR(I)
    • Try
      • Q(C);CHECK,XS(g)
      • Vars
        • K(h);S_FLIGHT,XP(F)::P=Q
      • Refutation
        • B(l);XQ(C)
  • Actual
    • Q(C);
    • Threat
      • QAB1(C)
    • Vars
      • K(h);S_FLIGHT,XP(F)::P=Q
      • S(d);XR(A)::S(G),XR(e)
      • S(d);XP(E)::S(G),XR(e)
      • S(d);SBLOCK,XP(F)::S(G)
      • S(d);OGATE::QAR1(C)
      • S(d);::S(G),XR(e)
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