MESON Chess Problem Database

Problem Display
PID: 87658 (8/4K3/5p2/2ppkN2/bB4P1/3P4/3Q1b2/8 w - - 0 1)

Mircioiu, Ioan

Buletin Problemistic, 1973

8/4K3/5p2/2ppkN2/bB4P1/3P4/3Q1b2/8

#2

6 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Be1
      • 2.Qe3#
    • 1...Be3
      • 2.Qxe3#
    • 1...Bg3
      • 2.Qe3#
    • 1...Bd4
      • 2.Qh2#
    • 1...Bh4
      • 2.Qe3#
    • 1...c4
      • 2.Bd6#
  • Tries
    • 1.Bc3+?
      • 1...Bd4
        • 2.Qe3#
        • 2.Qh2#
      • 1...d4!
    • 1.Qe2+?
      • 1...Be3
        • 2.Qxe3#
      • 1...Kf4!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Sf3#
      • 1...Kxd4
        • 2.Bc3#
      • 1...Bxd4
        • 2.Qh2#
      • 1...cxd4
        • 2.Bd6#
      • 1...Be3
        • 2.Qxe3#
      • 1...Bd1
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • B(a);N_GUARD::QAR2(A)
    • B(a);N_GUARD::QAR2(A),XB(a)
    • B(a);OGATE::QAB(A)
    • P(c);OGATE::B(C)
  • Tries
    • Try
      • B(C);CHECK
      • Refutation
        • P(d);P_SPINP(d)
    • Try
      • Q(A);CHECK
      • Vars
        • B(a);N_GUARD,P_SPINB(a)::QAR2(A),XB(a)
      • Refutation
        • K(e);S_FLIGHT
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • K(e);OGATEB,S_FLIGHT,XS(E)::B(C)
      • B(a);OGATE,SBLOCK,XS(E)::QAB(A)
      • P(c);OGATE,SBLOCK,XS(E)::B(C)
      • B(a);N_GUARD::QAR2(A),XB(a)
      • B(b);N_GUARD::S(E)
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