MESON Chess Problem Database

Problem Display
PID: 273144 (3B4/8/4R3/1kp4b/2p5/p1p5/KPB5/5Q2 w - - 0 1)

Seilberger, Johann Joseph Petrus Adrianus

Probleemblad, 1952

3B4/8/4R3/1kp4b/2p5/p1p5/KPB5/5Q2

#2

6 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Bb3?
      • threat
        • 2.Qxc4#
      • 1...Kb4
        • 2.Qxc4#
      • 1...Be2!
    • 1.Ba4+?
      • 1...Kxa4
        • 2.Qxc4#
      • 1...Kb4!
    • 1.Qg2?
      • threat
        • 2.Qb7#
      • 1...Kb4
        • 2.Qb7#
      • 1...Bf3!
    • 1.Qh1?
      • threat
        • 2.Qb7#
      • 1...Kb4
        • 2.Qb7#
      • 1...Bf3!
    • 1.Qf3?
      • threat
        • 2.Qb7#
      • 1...Kb4
        • 2.Qb7#
      • 1...Bxf3!
    • 1.Qf4?
      • threat
        • 2.Qb8#
      • 1...Kb4
        • 2.Qb8#
      • 1...Bf3!
    • 1.b3?
      • threat
        • 2.Qxc4#
      • 1...Kb4
        • 2.Qxc4#
      • 1...Be2!
  • Keys
    • 1.b4!
      • threat
        • 2.Rb6#
      • 1...Kxb4
        • 2.Qb1#
      • 1...cxb4
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);
      • Threat
        • QAB1(A),XP(c)
      • Vars
        • K(d);N_SPINP(c),P-FLIGHT::QAR1(A),XP(c)
      • Refutation
        • B(f);N_SPINP(c)
    • Try
      • B(D);CHECK
      • Vars
        • K(d);N_GUARD,N_SPINP(c),S_FLIGHT,XB(D)::QAR2(A),XP(c)
      • Refutation
        • K(d);N_SPINP(c),P-FLIGHT
    • Try
      • Q(A);N_PINP(c)
      • Threat
        • QAR2(A)
      • Vars
        • K(d);P-FLIGHT::QAR(A)
      • Refutation
        • B(f);
    • Try
      • Q(A);N_PINP(c)
      • Threat
        • QAR2(A)
      • Vars
        • K(d);P-FLIGHT::QAR(A)
      • Refutation
        • B(f);
    • Try
      • Q(A);N_PINP(c)
      • Threat
        • QAR2(A)
      • Vars
        • K(d);P-FLIGHT::QAR(A)
      • Refutation
        • B(f);XQ(A)
    • Try
      • Q(A);N_PINP(c)
      • Threat
        • QAR(A)
      • Vars
        • K(d);P-FLIGHT,P_SPINP(c)::QAR(A)
      • Refutation
        • B(f);
    • Try
      • P(C);
      • Threat
        • QAB1(A),XP(c)
      • Vars
        • K(d);N_SPINP(c),P-FLIGHT::QAR1(A),XP(c)
      • Refutation
        • B(f);N_SPINP(c)
  • Actual
    • P(C);
    • Threat
      • R1(E)
    • Vars
      • K(d);N_SPINP(c),OGATEB,P-FLIGHT,XP(C)::QAR(A)
      • P(e);OGATEB,SBLOCK,XP(C)::QAR(A)
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