MESON Chess Problem Database

Problem Display
PID: 96651 (3K4/pB6/5pN1/2p2n1R/p2kpN2/1b6/3P4/5Q2 w - - 0 1)

Ramon, E Pardo

Problemas, 1968

3K4/pB6/5pN1/2p2n1R/p2kpN2/1b6/3P4/5Q2

#2

7 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bd1
      • 2.Se6#
    • 1...Bc2
      • 2.Se6#
    • 1...Bc4
      • 2.Qa1#
    • 1...Be6
      • 2.Sxe6#
    • 1...e3
      • 2.Qd3#
    • 1...c4
      • 2.Se6#
  • Tries
    • 1.Ba6?
      • threat
        • 2.Qa1#
      • 1...e3
        • 2.Qd3#
      • 1...Bd1
        • 2.Qc4#
      • 1...c4!
    • 1.Qa6?
      • threat
        • 2.Se2#
      • 1...c4
        • 2.Qxa7#
      • 1...Bd1
        • 2.Se6#
      • 1...Bc4
        • 2.Qxf6#
      • 1...Sg3!
  • Keys
    • 1.Qb5!
      • threat
        • 2.Se2#
      • 1...Bd1
        • 2.Se6#
      • 1...Bc4
        • 2.Qb2#
      • 1...Sg3
        • 2.Qxc5#
      • 1...c4
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • B(a);N_GUARD::S(C)
    • B(a);SBLOCK::QAB(A)
    • B(a);N_GUARD::S(C),XB(a)
    • P(d);N_GUARD::QAR1(A)
    • P(e);S_CUTB(a)::S(C)
  • Tries
    • Try
      • B(F);
      • Threat
        • QAB(A)
      • Vars
        • P(d);N_GUARD::QAR1(A)
        • B(a);N_GUARD::QAR1(A)
      • Refutation
        • P(e);
    • Try
      • Q(A);
      • Threat
        • S(C)
      • Vars
        • P(e);OGATEB,SBLOCK::QAB(A),XP(h)
        • B(a);N_GUARD::S(C)
        • B(a);SBLOCK::QAB(A),XP(g)
      • Refutation
        • S(f);
  • Actual
    • Q(A);
    • Threat
      • S(C)
    • Vars
      • B(a);N_GUARD::S(C)
      • B(a);OGATE,SBLOCK::QAB(A)
      • S(f);::QAB1(A),XP(e)
      • P(e);OGATE::QAR1(A)
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