MESON Chess Problem Database

Problem Display
PID: 165598 (1Bn2b2/3p1n2/Kpk1pNN1/1R6/3P2p1/7p/5Q2/8 w - - 0 1)

Chandrasekaran, KR

Probleemblad, 2016

1Bn2b2/3p1n2/Kpk1pNN1/1R6/3P2p1/7p/5Q2/8

#2

7 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Bh6
      • 2.Qc2#
    • 1...Bg7
      • 2.Qc2#
    • 1...Se5
      • 2.Sxe5#
    • 1...Sg5
      • 2.Se5#
    • 1...Sfd6
      • 2.Se5#
    • 1...Sh6
      • 2.Se5#
    • 1...Sd8
      • 2.Se5#
    • 1...Sh8
      • 2.Se5#
    • 1...Scd6
      • 2.Rxb6#
    • 1...Sa7
      • 2.Rxb6#
    • 1...Se7
      • 2.Rxb6#
      • 2.Qc2#
    • 1...e5
      • 2.d5#
    • 1...d6
      • 2.Qc2#
  • Tries
    • 1.Se7+?
      • 1...Sxe7
        • 2.Rxb6#
        • 2.Qc2#
      • 1...Bxe7!
    • 1.Qg3?
      • threat
        • 2.Qc7#
      • 1...Se5
        • 2.Sxe5#
      • 1...Sfd6
        • 2.Se5#
      • 1...Scd6
        • 2.Rxb6#
      • 1...e5
        • 2.d5#
      • 1...d6
        • 2.Qc3#
      • 1...Bd6!
    • 1.Qh2?
      • threat
        • 2.Qc7#
      • 1...Bd6
        • 2.Qh1#
      • 1...Se5
        • 2.Sxe5#
      • 1...Sfd6
        • 2.Se5#
      • 1...Scd6
        • 2.Rxb6#
      • 1...e5
        • 2.d5#
      • 1...d6
        • 2.Qc2#
      • 1...g3!
  • Keys
    • 1.Qf4!
      • threat
        • 2.Qc7#
      • 1...Bd6
        • 2.Qe4#
      • 1...Se5
        • 2.Sxe5#
      • 1...Sfd6
        • 2.Se5#
      • 1...Scd6
        • 2.Rxb6#
      • 1...e5
        • 2.d5#
      • 1...d6
        • 2.Qc1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 7
  • Sets
    • B(i);N_GUARD::QAR(A)
    • S(g);N_GUARD::S(F),XS(g)
    • S(g);N_GUARD::S(F)
    • S(h);N_GUARD::R1(C),XP(c)
    • P(e);N_GUARD::P(B)
    • P(f);S_CUTB(i)::QAR(A)
  • Tries
    • Try
      • S(F);CHECK
      • Refutation
        • B(i);XS(F)
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • S(g);N_GUARD::S(F),XS(g)
        • S(g);N_GUARD::S(F)
        • S(h);N_GUARD::R1(C),XP(c)
        • P(e);N_GUARD::P(B)
        • P(f);S_CUTB(i)::QAR(A)
      • Refutation
        • B(i);
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • B(i);S_CUTP(f)::QAB(A)
        • S(g);N_GUARD::S(F),XS(g)
        • S(g);N_GUARD::S(F)
        • S(h);N_GUARD::R1(C),XP(c)
        • P(e);N_GUARD::P(B)
        • P(f);S_CUTB(i)::QAR(A)
      • Refutation
        • P(b);
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • B(i);S_CUTP(f)::QAB(A)
      • S(g);N_GUARD::S(F),XS(g)
      • S(g);N_GUARD::S(F)
      • S(h);N_GUARD::R1(C),XP(c)
      • P(e);N_GUARD::P(B)
      • P(f);S_CUTB(i)::QAR(A)
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