MESON Chess Problem Database

Problem Display
PID: 189470 (3KB3/8/1Q6/pP1p4/k7/ppP5/r3n3/8 w - - 0 1)

Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)

Casopis ceskoslovenskych sachistu, 1911

3KB3/8/1Q6/pP1p4/k7/ppP5/r3n3/8

#2

5 + 7

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Sc1
      • 2.Qd4#
    • 1...Sg1
      • 2.Qd4#
    • 1...Sxc3
      • 2.Qd4#
    • 1...Sg3
      • 2.Qd4#
    • 1...Sd4
      • 2.Qxd4#
    • 1...Sf4
      • 2.Qd4#
  • Tries
    • 1.Qf2?
      • threat
        • 2.b6#
      • 1...Sxc3
        • 2.Qd4#
      • 1...Sd4
        • 2.Qxd4#
      • 1...b2!
    • 1.Qe3?
      • threat
        • 2.b6#
      • 1...Sxc3
        • 2.Qd4#
      • 1...Sd4
        • 2.Qxd4#
      • 1...b2!
    • 1.Qc5?
      • threat
        • 2.b6#
      • 1...Sxc3
        • 2.Qd4#
      • 1...Sd4
        • 2.Qxd4#
      • 1...b2!
    • 1.Qa7?
      • threat
        • 2.b6#
      • 1...Sxc3
        • 2.Qd4#
      • 1...Sd4
        • 2.Qxd4#
      • 1...b2!
    • 1.Qf6?
      • threat
        • 2.b6#
      • 1...Sxc3
        • 2.Qd4#
      • 1...Sd4
        • 2.Qxd4#
      • 1...b2!
  • Keys
    • 1.Qg1!
      • threat
        • 2.b6#
      • 1...Sxc3
        • 2.Qd4#
      • 1...b2
        • 2.Qd1#
      • 1...Sd4
        • 2.Qxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • S(b);N_GUARD::QAR(C)
    • S(b);N_GUARD,XP(A)::QAR(C)
    • S(b);N_GUARD::QAR(C),XS(b)
  • Tries
    • Try
      • Q(C);
      • Threat
        • B(E)+P(B)
      • Vars
        • S(b);N_GUARD,XP(A)::QAR(C)
        • S(b);N_GUARD::QAR(C),XS(b)
      • Refutation
        • P(d);
    • Try
      • Q(C);
      • Threat
        • B(E)+P(B)
      • Vars
        • S(b);N_GUARD,XP(A)::QAR(C)
        • S(b);N_GUARD::QAR(C),XS(b)
      • Refutation
        • P(d);
    • Try
      • Q(C);
      • Threat
        • B(E)+P(B)
      • Vars
        • S(b);N_GUARD,XP(A)::QAR(C)
        • S(b);N_GUARD::QAR(C),XS(b)
      • Refutation
        • P(d);
    • Try
      • Q(C);P_PINP(f)
      • Threat
        • B(E)+P(B)
      • Vars
        • S(b);N_GUARD,XP(A)::QAR(C)
        • S(b);N_GUARD::QAR(C),XS(b)
      • Refutation
        • P(d);
    • Try
      • Q(C);
      • Threat
        • B(E)+P(B)
      • Vars
        • S(b);N_GUARD,XP(A)::QAR(C)
        • S(b);N_GUARD::QAR(C),XS(b)
      • Refutation
        • P(d);
  • Actual
    • Q(C);
    • Threat
      • B(E)+P(B)
    • Vars
      • S(b);N_GUARD,XP(A)::QAR(C)
      • P(d);OGATEB::QAB(C)
      • S(b);N_GUARD::QAR(C),XS(b)
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