MESON Chess Problem Database

Problem Display
PID: 174059 (6BB/1KnQ4/1pp5/2PP4/2kqb2R/PNN4R/2PP4/6b1 w - - 0 1)

Stan, Mihail

Revista Romana de Sah, 1948

6BB/1KnQ4/1pp5/2PP4/2kqb2R/PNN4R/2PP4/6b1

#2

13 + 7

15202 Componist 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Qf2
      • 2.d3#
    • 1...Qxc5
      • 2.d3#
    • 1...Qxd5
      • 2.d3#
    • 1...bxc5
      • 2.Sa5#
    • 1...cxd5
      • 2.Qa4#
  • Tries
    • 1.Sa5+?
      • 1...Kxc5
        • 2.Qxc6#
        • 2.Qe7#
      • 1...bxa5!
  • Keys
    • 1.Qxc6!
      • threat
        • 2.Qa4#
      • 1...Qxc3
        • 2.Rxc3#
      • 1...Qxc5
        • 2.d3#
      • 1...Qxd5
        • 2.d3#
      • 1...Bxd5
        • 2.cxb6#
      • 1...Sb5
        • 2.Qxb5#
      • 1...Sa6
        • 2.Qb5#
      • 1...b5
        • 2.Sa5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 3
  • Sets
    • Q(c);N_GUARD,P_SPINB(d)::P(B)
    • Q(c);N_GUARD,P_SPINB(d),XP(H)::P(B)
    • Q(c);N_GUARD,P_SPINB(d),P_SPINQ(c),XP(I)::P(B)
    • P(e);N_GUARD,SBLOCK,XP(H)::S(D)
    • P(f);OGATE,P_SPINP(f),XP(I)::QAR2(K)
  • Tries
    • Try
      • S(D);CHECK
      • Refutation
        • P(e);XS(D)
  • Actual
    • Q(K);XP(f)
    • Threat
      • QAR2(K)
    • Vars
      • Q(c);OGATE,P_SPINB(d),XS(E)::R1(F),XQ(c)
      • Q(c);N_GUARD,P_SPINB(d),P_SPINQ(c),XP(H)::P(B)
      • Q(c);N_GUARD,P_PINQ(K),P_SPINB(d),P_SPINQ(c),XP(I)::P(B)
      • B(d);P_PINQ(K),P_SPINB(d),P_SPINQ(c),XP(I)::QAR(K)+P(H),XP(e)
      • S(g);N_GUARD::QAB1(K),XS(g)
      • S(g);N_GUARD::QAB1(K)
      • P(e);N_GUARD::S(D)
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