MESON Chess Problem Database

Problem Display
PID: 163668 (b6b/8/3Q4/n2P4/3k4/N1Np4/5P2/B6K w - - 0 1)

Makaronets, Leonid

Novi Temi, 1973

b6b/8/3Q4/n2P4/3k4/N1Np4/5P2/B6K

#2

7 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd5+
      • 2.Qxd5#
    • 1...Bc6
      • 2.dxc6#
    • 1...Be5
      • 2.Qb6#
    • 1...Sc4
      • 2.Sab5#
    • 1...Sc6
      • 2.dxc6#
  • Tries
    • 1.Sc2+?
      • 1...Kc4
        • 2.Qb4#
      • 1...dxc2!
  • Keys
    • 1.Qe7!
      • threat
        • 2.Qe3#
      • 1...Bxd5+
        • 2.Se4#
      • 1...Be5
        • 2.Qa7#
      • 1...Sc4
        • 2.Sab5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • B(d);CHECK,OGATE,P_SPINB(d),XP(F)::QAR1(G),XB(d)
    • B(d);::QAR(G)+P(F),XB(d)
    • B(e);SBLOCK::QAB(G)
    • S(c);SBLOCK::S(D)
    • S(c);N_PINP(F)::QAR(G)+P(F),XS(c)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(G)
      • Refutation
        • P(a);XS(D)
  • Actual
    • Q(G);
    • Threat
      • QAB1(G)
    • Vars
      • B(d);CHECK,SBLOCK,XP(F)::B(A)+S(E)
      • B(e);SBLOCK::QAB(G)
      • S(c);SBLOCK::S(D)
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