MESON Chess Problem Database

Problem Display
PID: 78556 (8/8/8/3Pp3/3P1PBp/4k2p/2K4P/Q4R1N w - - 0 1)

Kampmann, Bruno

13th Place, 2. International Team (Friendship) Match, 1967-1970

8/8/8/3Pp3/3P1PBp/4k2p/2K4P/Q4R1N

#2

9 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...exd4
      • 2.Qe1#
    • 1...exf4
      • 2.Re1#
    • 1...e4
      • 2.Qc3#
  • Tries
    • 1.Sg3?
      • threat
        • 2.Rf3#
        • 2.Qc3#
      • 1...exd4
        • 2.Rf3#
        • 2.Qc1#
        • 2.Qe1#
      • 1...e4
        • 2.Sf5#
        • 2.Qc3#
      • 1...hxg3!
    • 1.Bh5?
      • 1...exd4
        • 2.Qe1#
      • 1...exf4
        • 2.Re1#
      • 1...e4
        • 2.Qc3#
      • 1...Ke4!
    • 1.Rf2?
      • 1...exd4
        • 2.Qe1#
      • 1...exf4
        • 2.Re2#
      • 1...e4
        • 2.Qc3#
      • 1...Ke4!
    • 1.Rf3+?
      • 1...Ke2
        • 2.Ra3#
        • 2.Rb3#
        • 2.Rc3#
        • 2.Rd3#
        • 2.Rg3#
        • 2.Rxh3#
        • 2.Qd1#
        • 2.Qf1#
      • 1...Ke4!
    • 1.Qd1?
      • threat
        • 2.Qd3#
      • 1...e4
        • 2.Qd2#
      • 1...Ke4!
    • 1.f5?
      • 1...exd4
        • 2.Qe1#
      • 1...e4
        • 2.Qc3#
      • 1...Ke4!
    • 1.d6?
      • 1...exd4
        • 2.Qe1#
      • 1...exf4
        • 2.Re1#
      • 1...e4
        • 2.Qc3#
      • 1...Ke4!
  • Keys
    • 1.Sf2!
      • 1...Kxf4
        • 2.Qc1#
      • 1...exd4
        • 2.Qc1#
      • 1...exf4
        • 2.Qc3#
      • 1...e4
        • 2.Sd1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 3
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(d);SBLOCK,XP(F)::QAR2(A)
    • P(d);SBLOCK,XP(G)::R(B)
    • P(d);SBLOCK::QAR2(A)
  • Tries
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Refutation
        • P(c);XS(C)
    • Try
      • B(H);
      • Vars
        • P(d);SBLOCK,XP(F)::QAR2(A)
        • P(d);SBLOCK,XP(G)::R(B)
        • P(d);SBLOCK::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(B);
      • Vars
        • P(d);SBLOCK,XP(F)::QAR2(A)
        • P(d);SBLOCK,XP(G)::R1(B)
        • P(d);SBLOCK::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(B);CHECK
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • P(d);SBLOCK::QAB1(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • P(G);
      • Vars
        • P(d);SBLOCK,XP(F)::QAR2(A)
        • P(d);SBLOCK::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • P(I);
      • Vars
        • P(d);SBLOCK,XP(F)::QAR2(A)
        • P(d);SBLOCK,XP(G)::R(B)
        • P(d);SBLOCK::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(C);
    • Vars
      • K(a);S_FLIGHT,XP(G)::QAB(A)
      • P(d);SBLOCK,XP(F)::QAB(A)
      • P(d);SBLOCK,XP(G)::QAR2(A)
      • P(d);SBLOCK::S(C)
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