MESON Chess Problem Database

Problem Display
PID: 149588 (8/6pr/2bp4/8/1PP1P2p/kN4QR/N5R1/7K w - - 0 1)

Pribyl, Vaclav

Sachove umeni (Ceskoslovensky sach), 1964

8/6pr/2bp4/8/1PP1P2p/kN4QR/N5R1/7K

#2

9 + 6

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Sa1+?
      • 1...Ka4
        • 2.Qa3#
        • 2.Qb3#
      • 1...hxg3!
    • 1.Sbc1+?
      • 1...Ka4
        • 2.Qa3#
        • 2.Qb3#
      • 1...hxg3!
    • 1.Sd4+?
      • 1...Ka4
        • 2.Qa3#
        • 2.Qb3#
      • 1...hxg3!
    • 1.Sa5+?
      • 1...Ka4
        • 2.Qa3#
        • 2.Qb3#
      • 1...hxg3!
    • 1.Qf2?
      • threat
        • 2.Sc5#
      • 1...Ka4
        • 2.Qa7#
      • 1...Bxe4
        • 2.Qa7#
      • 1...Ba4
        • 2.Qb2#
      • 1...Bd7!
    • 1.Qe5?
      • threat
        • 2.Sc5#
      • 1...Ka4
        • 2.Qa5#
      • 1...Bxe4
        • 2.Qa5#
      • 1...Ba4
        • 2.Qb2#
      • 1...Bd7!
    • 1.Qxd6?
      • threat
        • 2.Sc5#
      • 1...Ka4
        • 2.Sc5#
      • 1...Bxe4
        • 2.Qa6#
      • 1...Ba4
        • 2.b5#
      • 1...Bd7!
    • 1.Qc3?
      • threat
        • 2.Sc5#
      • 1...Ba4
        • 2.Qb2#
        • 2.Qc1#
      • 1...Ka4!
    • 1.Qg5?
      • threat
        • 2.Sc5#
      • 1...Ka4
        • 2.Qa5#
      • 1...Bxe4
        • 2.Qa5#
      • 1...Ba4
        • 2.Qc1#
      • 1...Bd7!
  • Keys
    • 1.Qe3!
      • threat
        • 2.Sc5#
      • 1...Ka4
        • 2.Qa7#
      • 1...Bxe4
        • 2.Qa7#
      • 1...Ba4
        • 2.Qc1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK
      • Refutation
        • P(b);P_PINR(F),P_SPINP(b),XQ(E)
    • Try
      • S(D);CHECK
      • Refutation
        • P(b);P_PINR(F),P_SPINP(b),XQ(E)
    • Try
      • S(D);CHECK
      • Refutation
        • P(b);P_PINR(F),P_SPINP(b),XQ(E)
    • Try
      • S(D);CHECK
      • Refutation
        • P(b);P_PINR(F),P_SPINP(b),XQ(E)
    • Try
      • Q(E);
      • Threat
        • R(F)+S(D)
      • Vars
        • K(a);P-FLIGHT::QAR(E)
        • B(c);N_GUARD,P_PINR(C),XP(I)::QAR(E)
        • B(c);SBLOCK::QAB1(E)
      • Refutation
        • B(c);
    • Try
      • Q(E);
      • Threat
        • R(F)+S(D)
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
        • B(c);N_GUARD,P_PINR(C),XP(I)::QAR2(E)
        • B(c);SBLOCK::QAB1(E)
      • Refutation
        • B(c);
    • Try
      • Q(E);XP(d)
      • Threat
        • R(F)+S(D)
      • Vars
        • K(a);P-FLIGHT::S(D)
        • B(c);OGATE,P_PINR(C),XP(I)::QAR(E)
        • B(c);SBLOCK::QAB(E)+P(G)
      • Refutation
        • B(c);
    • Try
      • Q(E);
      • Threat
        • QAR(E)+S(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(E);
      • Threat
        • R(F)+S(D)
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
        • B(c);N_GUARD,P_PINR(C),XP(I)::QAR2(E)
        • B(c);SBLOCK::QAB(E)
      • Refutation
        • B(c);
  • Actual
    • Q(E);
    • Threat
      • QAR(E)+S(D)
    • Vars
      • K(a);P-FLIGHT::QAR(E)
      • B(c);N_GUARD,P_PINR(C),XP(I)::QAR(E)
      • B(c);SBLOCK::QAB(E)
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