MESON Chess Problem Database

Problem Display
PID: 82108 (q3B2Q/4p3/2p1n3/b3Nn2/2PPkr2/R3P2R/2P1N1PK/3r1b2 w - - 0 1)

Ahues, Herbert Siegfried Oskar

Deutsche Schachblatter, 1964

q3B2Q/4p3/2p1n3/b3Nn2/2PPkr2/R3P2R/2P1N1PK/3r1b2

#2

12 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qa7
      • 2.Bxc6#
    • 1...Qb8
      • 2.Bxc6#
    • 1...Rd3
      • 2.cxd3#
    • 1...Rf3
      • 2.gxf3#
    • 1...Bc3
      • 2.Sxc3#
    • 1...Bb6
      • 2.Sc3#
    • 1...Bc7
      • 2.Sc3#
    • 1...Bd8
      • 2.Sc3#
    • 1...Sg3
      • 2.Sxg3#
    • 1...Sfxd4
      • 2.Sg3#
    • 1...Sh4
      • 2.Sg3#
    • 1...Sd6
      • 2.Sg3#
    • 1...Sh6
      • 2.Sg3#
    • 1...Sfg7
      • 2.Sg3#
  • Tries
    • 1.Sd3?
      • threat
        • 2.Qe5#
      • 1...Qb8
        • 2.Bxc6#
      • 1...Bc7
        • 2.Sc3#
      • 1...Seg7
        • 2.Sc5#
      • 1...Sfg7!
    • 1.Sf3?
      • threat
        • 2.Qe5#
      • 1...Sfg7
        • 2.Sg3#
      • 1...Qb8
        • 2.Bxc6#
      • 1...Seg7
        • 2.Sg5#
      • 1...Bc7!
    • 1.Sg4?
      • threat
        • 2.Qe5#
      • 1...Sfg7
        • 2.Sg3#
      • 1...Qb8
        • 2.Bxc6#
      • 1...Bc7
        • 2.Sc3#
      • 1...Seg7!
    • 1.Sg6?
      • threat
        • 2.Qe5#
      • 1...Sfg7
        • 2.Sg3#
      • 1...Qb8
        • 2.Bxc6#
      • 1...Bc7
        • 2.Sc3#
      • 1...Seg7!
    • 1.Sd7?
      • threat
        • 2.Qe5#
      • 1...Sfg7
        • 2.Sg3#
      • 1...Seg7
        • 2.Sc5#
      • 1...Bc7
        • 2.Sc3#
      • 1...Qb8!
  • Keys
    • 1.Sf7!
      • threat
        • 2.Qe5#
      • 1...Sfg7
        • 2.Sg3#
      • 1...Seg7
        • 2.Sg5#
      • 1...Qb8
        • 2.Bxc6#
      • 1...Bc7
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 11
  • Sets
    • Q(j);N_GUARD::B(K),XP(g)
    • R(a);OGATE::P(A),XR(a)
    • R(d);OGATE::P(C),XR(d)
    • B(e);N_GUARD::S(B),XB(e)
    • B(e);N_GUARD::S(B)
    • S(f);N_GUARD::S(B),XS(f)
    • S(f);N_GUARD,XP(I)::S(B)
    • S(f);N_GUARD::S(B)
  • Tries
    • Try
      • S(J);
      • Threat
        • QAR1(L)
      • Vars
        • Q(j);N_GUARD::B(K),XP(g)
        • B(e);N_GUARD::S(B)
        • S(h);N_GUARD::S(J)
      • Refutation
        • S(f);
    • Try
      • S(J);
      • Threat
        • QAR1(L)
      • Vars
        • S(f);N_GUARD::S(B)
        • Q(j);N_GUARD::B(K),XP(g)
        • S(h);N_GUARD::S(J)
      • Refutation
        • B(e);
    • Try
      • S(J);
      • Threat
        • QAR1(L)
      • Vars
        • S(f);N_GUARD::S(B)
        • Q(j);N_GUARD::B(K),XP(g)
        • B(e);N_GUARD::S(B)
      • Refutation
        • S(h);
    • Try
      • S(J);
      • Threat
        • QAR1(L)
      • Vars
        • S(f);N_GUARD::S(B)
        • Q(j);N_GUARD::B(K),XP(g)
        • B(e);N_GUARD::S(B)
      • Refutation
        • S(h);
    • Try
      • S(J);
      • Threat
        • QAR1(L)
      • Vars
        • S(f);N_GUARD::S(B)
        • S(h);N_GUARD::S(J)
        • B(e);N_GUARD::S(B)
      • Refutation
        • Q(j);
  • Actual
    • S(J);
    • Threat
      • QAR1(L)
    • Vars
      • S(f);N_GUARD::S(B)
      • S(h);N_GUARD::S(J)
      • Q(j);N_GUARD::B(K),XP(g)
      • B(e);N_GUARD::S(B)
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