MESON Chess Problem Database

Problem Display
PID: 144657 (8/1p2p2B/1P1pp3/1K2P3/3k4/3N2p1/8/4Q3 w - - 0 1)

Armeni, Alberto

Probleemblad, 2011

8/1p2p2B/1P1pp3/1K2P3/3k4/3N2p1/8/4Q3

#2

6 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qe4#
    • 1...dxe5
      • 2.Qxe5#
  • Tries
    • 1.Sc1?
      • 1...Kd5
        • 2.Qe4#
      • 1...dxe5
        • 2.Qd2#
      • 1...d5
        • 2.Sb3#
      • 1...g2!
    • 1.Sb4?
      • 1...dxe5
        • 2.Qd2#
      • 1...d5
        • 2.Sc2#
      • 1...g2!
    • 1.Sf4?
      • 1...dxe5
        • 2.Qd2#
      • 1...d5
        • 2.Sxe6#
      • 1...g2!
    • 1.Qb4+?
      • 1...Kd5
        • 2.Be4#
        • 2.Qc4#
        • 2.Qe4#
      • 1...Ke3!
    • 1.Qa1+?
      • 1...Kd5
        • 2.Sb4#
        • 2.Sf4#
      • 1...Ke3!
    • 1.Qc1?
      • 1...Kd5
        • 2.Qc4#
      • 1...dxe5
        • 2.Qc5#
      • 1...d5
        • 2.Qc5#
      • 1...g2!
    • 1.exd6?
      • threat
        • 2.Qe5#
      • 1...Kd5
        • 2.Qe5#
      • 1...e5
        • 2.Qxe5#
      • 1...exd6!
  • Keys
    • 1.Kb4!
      • threat
        • 2.Qe4#
      • 1...Kd5
        • 2.Qe4#
      • 1...d5
        • 2.Qg1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(b);P-FLIGHT::QAB1(A)
    • P(c);OGATE,XP(D)::QAB1(A),XP(c)
  • Tries
    • Try
      • S(B);
      • Vars
        • K(b);P-FLIGHT::QAB1(A)
        • P(c);SBLOCK,XP(D)::QAR2(A)
        • P(c);SBLOCK::S(B)
      • Refutation
        • P(a);
    • Try
      • S(B);
      • Vars
        • P(c);SBLOCK,XP(D)::QAR2(A)
        • P(c);SBLOCK::S(B)
      • Refutation
        • P(a);
    • Try
      • S(B);
      • Vars
        • P(c);SBLOCK,XP(D)::QAR2(A)
        • P(c);SBLOCK::S(B),XP(d)
      • Refutation
        • P(a);
    • Try
      • Q(A);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(b);P-FLIGHT::QAB1(A)
        • P(c);N_GUARD,XP(D)::QAB1(A)
        • P(c);N_GUARD::QAB1(A)
      • Refutation
        • P(a);
    • Try
      • P(D);XP(c)
      • Threat
        • QAB1(A)
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
        • P(d);::QAB1(A),XP(d)
      • Refutation
        • P(f);XP(D)
  • Actual
    • K(C);P-FLIGHT
    • Threat
      • QAR1(A)
    • Vars
      • K(b);P-FLIGHT::QAB1(A)
      • P(c);SBLOCK::QAB(A)
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