MESON Chess Problem Database

Problem Display
PID: 98245 (6b1/3K1n2/B3Q2p/2P1pN1p/p2bk3/r3pNP1/4R1P1/1n6 w - - 0 1)

Llamas, Juan Garcia

Problemas, 1972

6b1/3K1n2/B3Q2p/2P1pN1p/p2bk3/r3pNP1/4R1P1/1n6

#2

9 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rd3
      • 2.Bb7#
    • 1...Bc3
      • 2.Rxe3#
    • 1...Sd2
      • 2.Sxd2#
    • 1...Sc3
      • 2.Sd2#
    • 1...Sg5
      • 2.Sd6#
    • 1...Sd6
      • 2.Sxd6#
    • 1...Sd8
      • 2.Sd6#
    • 1...Sh8
      • 2.Sd6#
  • Tries
    • 1.Se1?
      • threat
        • 2.Bb7#
      • 1...Sc3
        • 2.Bd3#
      • 1...Sd6
        • 2.Sxd6#
      • 1...Sd8
        • 2.Sd6#
      • 1...Rb3!
    • 1.S3h4?
      • threat
        • 2.Qc6#
      • 1...Sg5
        • 2.Sd6#
      • 1...Sd6
        • 2.Sxd6#
      • 1...Sd8
        • 2.Sd6#
      • 1...Sh8
        • 2.Sd6#
      • 1...Sc3!
    • 1.Sg5+?
      • 1...Sxg5
        • 2.Sd6#
      • 1...hxg5!
    • 1.S5xd4?
      • threat
        • 2.Qc6#
      • 1...Sg5
        • 2.Qxe5#
      • 1...Sd6
        • 2.Qxe5#
      • 1...Sd8
        • 2.Qxe5#
      • 1...Sh8
        • 2.Qxe5#
      • 1...Sc3!
    • 1.Se7?
      • threat
        • 2.Qd5#
        • 2.Qf5#
        • 2.Qc6#
        • 2.Qg6#
      • 1...Bh7
        • 2.Qd5#
        • 2.Qc6#
      • 1...Sc3
        • 2.Sd2#
        • 2.Qf5#
        • 2.Qg6#
      • 1...Sg5
        • 2.Qf5#
        • 2.Qg6#
      • 1...Sd8
        • 2.Qf5#
        • 2.Qg6#
      • 1...Sh8
        • 2.Qf5#
      • 1...Sd6!
  • Keys
    • 1.Sxh6!
      • threat
        • 2.Qc6#
      • 1...Sxh6
        • 2.Sg5#
      • 1...Sc3
        • 2.Sd2#
      • 1...Sg5
        • 2.Sxg5#
      • 1...Sd6
        • 2.Sg5#
      • 1...Sd8
        • 2.Sg5#
      • 1...Sh8
        • 2.Sg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • R(b);SBLOCK::B(G)
    • B(e);N_GUARD,S_CUTR(b)::R1(A),XP(c)
    • S(a);N_GUARD::S(C),XS(a)
    • S(a);N_GUARD::S(C)
    • S(j);N_GUARD::S(F)
    • S(j);N_GUARD::S(F),XS(j)
  • Tries
    • Try
      • S(C);
      • Threat
        • B(G)
      • Vars
        • S(a);S_CUTR(b)::B(G)
        • S(j);N_GUARD::S(F),XS(j)
        • S(j);N_GUARD::S(F)
      • Refutation
        • R(b);
    • Try
      • S(C);
      • Threat
        • QAB(H)
      • Vars
        • S(j);N_GUARD::S(F)
        • S(j);N_GUARD::S(F),XS(j)
      • Refutation
        • S(a);
    • Try
      • S(C);CHECK
      • Vars
        • S(j);XS(C)::S(F)
      • Refutation
        • P(i);XS(C)
    • Try
      • S(F);XB(e)
      • Threat
        • QAB(H)
      • Vars
        • S(j);N_GUARD::QAR1(H),XP(g)
      • Refutation
        • S(a);
    • Try
      • S(F);
      • Threat
        • DUALS(4)
      • Vars
        • S(j);::QAB1(H)
      • Refutation
        • S(j);
  • Actual
    • S(F);XP(i)
    • Threat
      • QAB(H)
    • Vars
      • S(j);N_GUARD,XS(F)::S(C)
      • S(a);N_GUARD::S(C)
      • S(j);N_GUARD::S(C),XS(j)
      • S(j);N_GUARD::S(C)
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