MESON Chess Problem Database

Problem Display
PID: 11006 (B7/5PQ1/K7/8/pBkp4/1R1N2bp/4n1nq/1R1Nr2b w - - 0 1)

Mansfield, Comins

Recomm., BCF 025. Ty., 1937-1938

B7/5PQ1/K7/8/pBkp4/1R1N2bp/4n1nq/1R1Nr2b

#2

9 + 10

3550 Complete Mansfield/II 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Sf4
      • 2.Se5#
    • 1...axb3
      • 2.S1b2#
  • Tries
    • 1.Qxd4+?
      • 1...Sxd4
        • 2.Rc3#
      • 1...Kxd4!
    • 1.f8Q?
      • threat
        • 2.Qc5#
        • 2.Qgf7#
        • 2.Qgg8#
        • 2.Qff7#
        • 2.Qfg8#
      • 1...axb3
        • 2.S1b2#
        • 2.S3b2#
      • 1...Se3
        • 2.Qc5#
      • 1...Rf1
        • 2.Qc5#
      • 1...Bd6
        • 2.Qgf7#
        • 2.Qgg8#
        • 2.Qff7#
        • 2.Qfg8#
      • 1...Sc1
        • 2.Qc5#
      • 1...Sg1
        • 2.Qc5#
      • 1...Sef4
        • 2.Qc5#
        • 2.Qc7#
        • 2.Qc8#
      • 1...Sgf4
        • 2.Se5#
        • 2.Qc5#
      • 1...Sh4
        • 2.Qc5#
      • 1...Sc3!
  • Keys
    • 1.Qg4!
      • threat
        • 2.Qe6#
      • 1...axb3
        • 2.S1b2#
      • 1...Sc3
        • 2.Rxc3#
      • 1...Se3
        • 2.Sxe3#
      • 1...Sc1
        • 2.Rc3#
      • 1...Sg1
        • 2.Rc3#
      • 1...Sef4
        • 2.Qc8#
      • 1...Sgf4
        • 2.Se5#
      • 1...Sh4
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • S(d);S_CUTB(f)::S(D)
    • P(h);SBLOCK,XR(C)::S(B)
  • Tries
    • Try
      • Q(H);CHECK,XP(j)
      • Vars
        • S(c);SBLOCK,XQ(H)::R1(C)
      • Refutation
        • K(i);P-FLIGHT,XQ(H)
    • Try
      • P(G);
      • Threat
        • DUALS(5)
      • Vars
        • S(d);::QAR1(G)
        • R(a);::QAR1(G)
        • S(c);::QAR1(G)
      • Refutation
        • S(c);
  • Actual
    • Q(H);P_PINP(j)
    • Threat
      • QAB(H)
    • Vars
      • P(h);SBLOCK,XR(C)::S(B)
      • S(c);N_GUARD::R1(C),XS(c)
      • S(d);N_GUARD::S(B),XS(d)
      • S(c);N_GUARD::R1(C)
      • S(c);N_SPINP(j),S_CUTB(f)::QAR(H)
      • S(d);N_SPINP(j),S_CUTB(f)::S(D)
      • S(d);N_GUARD::S(B)
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