MESON Chess Problem Database

Problem Display
PID: 103883 (8/KN4Pb/1p1Q4/1P1Pp2P/1N2k3/p1P2R2/4P3/6q1 w - - 0 1)

Banny, Dimitry Nikolaevich

Intelectualie Egri, 1993

8/KN4Pb/1p1Q4/1P1Pp2P/1N2k3/p1P2R2/4P3/6q1

#2

11 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qc5?
      • threat
        • 2.Sd6#
      • 1...Qxg7
        • 2.Qe3#
        • 2.Qc4#
      • 1...Qg6
        • 2.Qe3#
        • 2.Qc4#
      • 1...Qxc5!
    • 1.Qc7?
      • threat
        • 2.Sd6#
      • 1...Qg6
        • 2.Qc4#
      • 1...Qc5!
    • 1.Qe7?
      • threat
        • 2.Sd6#
      • 1...Qc5
        • 2.Qh4#
      • 1...Qg6!
    • 1.Qxb6?
      • threat
        • 2.Sd6#
      • 1...Qxg7
        • 2.Qe3#
      • 1...Qc5
        • 2.Sxc5#
      • 1...Qg6
        • 2.Sc5#
        • 2.Qe3#
      • 1...Qxb6+!
    • 1.Qc6?
      • threat
        • 2.Sd6#
        • 2.d6#
      • 1...Qxg7
        • 2.Qc4#
        • 2.d6#
      • 1...Qd4
        • 2.Sd6#
      • 1...Qd1
        • 2.Sd6#
      • 1...Qg6
        • 2.Qc4#
        • 2.d6#
      • 1...Bg8
        • 2.Sd6#
      • 1...Qc5!
    • 1.Qe6?
      • threat
        • 2.Sd6#
      • 1...Qc5
        • 2.Qg4#
      • 1...Qxg7!
    • 1.Qf6?
      • threat
        • 2.Sd6#
      • 1...Qc5
        • 2.Qh4#
      • 1...Qxg7!
    • 1.Qg6+?
      • 1...Bxg6
        • 2.Sd6#
      • 1...Qxg6!
    • 1.Qd7?
      • threat
        • 2.Sd6#
      • 1...Qc5
        • 2.Qg4#
      • 1...Qg6!
  • Keys
    • 1.Qh6!
      • threat
        • 2.Sd6#
      • 1...Qxg7
        • 2.Qe3#
      • 1...Qc5
        • 2.Qxh7#
      • 1...Qg6
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(H);
      • Threat
        • S(J)
      • Refutation
        • Q(a);XQ(H)
    • Try
      • Q(H);
      • Threat
        • S(J)
      • Vars
        • Q(a);N_GUARD::QAR2(H)
      • Refutation
        • Q(a);
    • Try
      • Q(H);P_PINP(d)
      • Threat
        • S(J)
      • Vars
        • Q(a);N_GUARD::QAR(H)
      • Refutation
        • Q(a);
    • Try
      • Q(H);P_SPINQ(H),XP(e)
      • Threat
        • S(J)
      • Vars
        • Q(a);N_GUARD,N_PINQ(H),P_PINS(J),XP(K)::QAR1(H)
        • Q(a);N_GUARD::S(J),XQ(a)
      • Refutation
        • Q(a);CHECK,XQ(H)
    • Try
      • Q(H);
      • Threat
        • DUALS(2)
      • Vars
        • Q(a);::S(J)
        • B(f);::S(J)
      • Refutation
        • Q(a);
    • Try
      • Q(H);P_PINP(d)
      • Threat
        • S(J)
      • Vars
        • Q(a);N_GUARD::QAR2(H)
      • Refutation
        • Q(a);P_PINS(J),XP(K)
    • Try
      • Q(H);
      • Threat
        • S(J)
      • Vars
        • Q(a);N_GUARD::QAR(H)
      • Refutation
        • Q(a);P_PINS(J),XP(K)
    • Try
      • Q(H);CHECK
      • Vars
        • B(f);XQ(H)::S(J)
      • Refutation
        • Q(a);XQ(H)
    • Try
      • Q(H);
      • Threat
        • S(J)
      • Vars
        • Q(a);N_GUARD::QAR2(H)
      • Refutation
        • Q(a);
  • Actual
    • Q(H);
    • Threat
      • S(J)
    • Vars
      • Q(a);N_GUARD,P_PINS(J),XP(K)::QAR1(H)
      • Q(a);N_GUARD::QAB(H),XB(f)
      • Q(a);N_GUARD::QAR1(H)
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