MESON Chess Problem Database

Problem Display
PID: 58133 (8/2pNp1p1/2P1PbPp/1K1p1Qpp/3k3P/1p6/3P4/2n1N1n1 w - - 0 1)

Brown, Carl G

Chess Life, 1958

8/2pNp1p1/2P1PbPp/1K1p1Qpp/3k3P/1p6/3P4/2n1N1n1

#2

9 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Be5
      • 2.Qxe5#
    • 1...Sa2
      • 2.Qd3#
    • 1...Sce2
      • 2.Qd3#
    • 1...Sd3
      • 2.Qxd3#
    • 1...Sge2
      • 2.Sf3#
    • 1...Sf3
      • 2.Sxf3#
    • 1...Sh3
      • 2.Sf3#
    • 1...b2
      • 2.Sc2#
    • 1...gxh4
      • 2.Qf4#
    • 1...g4
      • 2.Qf4#
  • Tries
    • 1.Kb4?
      • 1...Sd3+
        • 2.Qxd3#
      • 1...gxh4
        • 2.Qf4#
      • 1...Be5
        • 2.Qxe5#
      • 1...Sce2
        • 2.Qd3#
      • 1...Sge2
        • 2.Sf3#
      • 1...Sf3
        • 2.Sxf3#
      • 1...Sh3
        • 2.Sf3#
      • 1...b2
        • 2.Sc2#
      • 1...g4
        • 2.Qf4#
      • 1...Sa2+!
    • 1.hxg5?
      • threat
        • 2.Qf4#
      • 1...Bxg5
        • 2.Qe5#
      • 1...Be5
        • 2.Qxe5#
      • 1...Sce2
        • 2.Qd3#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Sge2
        • 2.Sf3#
      • 1...Sh3
        • 2.Sf3#
      • 1...hxg5!
  • Keys
    • 1.Sc5!
      • 1...gxh4
        • 2.Qf4#
      • 1...Be5
        • 2.Qf2#
      • 1...Sa2
        • 2.Sxb3#
      • 1...Sce2
        • 2.Sxb3#
      • 1...Sd3
        • 2.Sxb3#
      • 1...Sge2
        • 2.Sf3#
      • 1...Sf3
        • 2.Sxf3#
      • 1...Sh3
        • 2.Sf3#
      • 1...b2
        • 2.Sc2#
      • 1...g4
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 4
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • B(h);N_GUARD::QAB1(E),XB(h)
    • S(a);N_GUARD::QAR1(E)
    • S(a);N_GUARD::QAR1(E),XS(a)
    • S(b);N_GUARD::S(A)
    • S(b);N_GUARD::S(A),XS(b)
    • P(c);N_GUARD::S(A)
    • P(f);N_GUARD,XP(C)::QAR2(E)
    • P(f);N_GUARD::QAR2(E)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Vars
        • S(a);CHECK,N_GUARD::QAR1(E),XS(a)
        • P(f);N_GUARD,XP(C)::QAR2(E)
        • B(h);N_GUARD::QAB1(E),XB(h)
        • S(a);N_GUARD::QAR1(E)
        • S(b);N_GUARD::S(A)
        • S(b);N_GUARD::S(A),XS(b)
        • P(c);N_GUARD::S(A)
        • P(f);N_GUARD::QAR2(E)
      • Refutation
        • S(a);CHECK
    • Try
      • P(C);XP(f)
      • Threat
        • QAR2(E)
      • Vars
        • B(h);N_GUARD,XP(C)::QAB1(E)
        • B(h);N_GUARD::QAB1(E),XB(h)
        • S(a);N_GUARD::QAR1(E)
        • S(a);N_GUARD::QAR1(E),XS(a)
        • S(b);N_GUARD::S(A)
      • Refutation
        • P(i);XP(C)
  • Actual
    • S(I);
    • Vars
      • P(f);N_GUARD,XP(C)::QAR2(E)
      • B(h);SBLOCK::QAB(E)
      • S(a);N_GUARD::S(I),XP(c)
      • S(b);N_GUARD::S(A)
      • S(b);N_GUARD::S(A),XS(b)
      • P(c);N_GUARD::S(A)
      • P(f);N_GUARD::QAR2(E)
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