MESON Chess Problem Database

Problem Display
PID: 21033 (3nB3/1p3n2/1p1p3p/bppk3P/N6R/7Q/1BP2NK1/8 w - - 0 1)

Goethart, Gerhardus Hendrik

1st Prize, Hampshire Telegraph and Post, 1915/I

3nB3/1p3n2/1p1p3p/bppk3P/N6R/7Q/1BP2NK1/8

#2

9 + 10

3098 FIDE Album (1914-1944) (I) 1971
56 The Problemist 2006

SOLUTION

  • SOUND
  • Sets
    • 1...Be1
      • 2.Sxb6#
    • 1...Bd2
      • 2.Sxb6#
    • 1...Bb4
      • 2.Sxb6#
    • 1...Sg5
      • 2.Qf5#
    • 1...Sh8
      • 2.Qf5#
    • 1...Sc6
      • 2.Bxf7#
    • 1...Se6
      • 2.Qf3#
    • 1...bxa4
      • 2.c4#
  • Tries
    • 1.Sd1?
      • threat
        • 2.Se3#
      • 1...Bd2
        • 2.Sxb6#
      • 1...Bc3!
    • 1.Se4?
      • threat
        • 2.Sf6#
      • 1...Kc4
        • 2.Sec3#
        • 2.Sf6#
        • 2.Qb3#
      • 1...Bc3!
    • 1.Bxf7+?
      • 1...Kc6
        • 2.Qc8#
      • 1...Se6
        • 2.Qf3#
      • 1...Sxf7!
    • 1.Qg4?
      • threat
        • 2.Qe4#
      • 1...Sg5
        • 2.Qf5#
      • 1...Se5!
  • Keys
    • 1.Rb4!
      • 1...Bxb4
        • 2.Sxb6#
      • 1...bxa4
        • 2.c4#
      • 1...cxb4
        • 2.Qb3#
      • 1...Se5
        • 2.Sc3#
      • 1...Sg5
        • 2.Qf5#
      • 1...Sh8
        • 2.Qf5#
      • 1...Sc6
        • 2.Bxf7#
      • 1...Se6
        • 2.Qf3#
      • 1...c4
        • 2.Rxb5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • B(a);N_GUARD::S(F),XP(e)
    • S(i);N_GUARD::QAR2(E)
    • S(j);N_GUARD,SBLOCK::B(I),XS(i)
    • S(j);SBLOCK::QAB(E)
    • P(b);N_GUARD,XS(F)::P(B)
  • Tries
    • Try
      • S(C);
      • Threat
        • S(C)
      • Vars
        • B(a);N_GUARD::S(F),XP(e)
      • Refutation
        • B(a);
    • Try
      • S(C);
      • Threat
        • S(C)
      • Refutation
        • B(a);
    • Try
      • B(I);CHECK,XS(i)
      • Vars
        • K(d);S_FLIGHT::QAR2(E)
        • S(j);P_SPINS(j)::QAB(E)
      • Refutation
        • S(j);XB(I)
    • Try
      • Q(E);
      • Threat
        • QAB1(E)
      • Vars
        • S(i);N_GUARD::QAR2(E)
      • Refutation
        • S(i);
  • Actual
    • R(G);
    • Vars
      • B(a);N_GUARD,XR(G)::S(F),XP(e)
      • P(b);N_GUARD,XS(F)::P(B)
      • P(c);N_GUARD,XR(G)::QAB(E)
      • S(i);SBLOCK::S(F)
      • S(i);N_GUARD::QAR2(E)
      • S(j);N_GUARD,SBLOCK::B(I),XS(i)
      • S(j);SBLOCK::QAB(E)
      • P(c);OGATEB,SBLOCK::R(G),XP(b)
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