MESON Chess Problem Database

Problem Display
PID: 35500 (5rb1/4Q3/8/p6p/3kPn2/N5Bp/2PP2p1/K3RNb1 w - - 0 1)

Andersson, Gunnar

9th HM., Olympic Ty., 1952

5rb1/4Q3/8/p6p/3kPn2/N5Bp/2PP2p1/K3RNb1

#2

9 + 9

3105 FIDE Album (1945-1955) 1964
15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Bf2
      • 2.Bxf2#
    • 1...Bh2
      • 2.Bf2#
    • 1...Se2
      • 2.Qe5#
    • 1...Sd3
      • 2.c3#
    • 1...Sd5
      • 2.Be5#
    • 1...Se6
      • 2.Qd6#
    • 1...Sg6
      • 2.Qa7#
  • Tries
    • 1.Qd6+?
      • 1...Sd5
        • 2.Be5#
      • 1...Bd5!
  • Keys
    • 1.Sh2!
      • threat
        • 2.Sf3#
      • 1...Bxh2
        • 2.Bf2#
      • 1...Se2
        • 2.Qe5#
      • 1...Sd3
        • 2.c3#
      • 1...Sd5
        • 2.Be5#
      • 1...Se6
        • 2.Qd6#
      • 1...Sg6
        • 2.Qa7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • B(a);N_GUARD::B(G),XB(a)
    • B(a);N_GUARD::B(G)
    • S(e);::QAB1(I)
    • S(e);SBLOCK::P(D)
    • S(e);OGATE::B(G)
    • S(e);N_GUARD,S_CUTB(i)::QAR2(I)
    • S(e);::QAB(I)
  • Tries
    • Try
      • Q(I);CHECK
      • Vars
        • S(e);OGATE,P_SPINS(e)::B(G)
      • Refutation
        • B(i);P_SPINB(i)
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • B(a);N_GUARD,XS(C)::B(G)
      • S(e);::QAB1(I)
      • S(e);SBLOCK::P(D)
      • S(e);OGATE::B(G)
      • S(e);N_GUARD,S_CUTB(i)::QAR2(I)
      • S(e);::QAB(I)
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Developed and maintained by Brian Stephenson.
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