MESON Chess Problem Database

Problem Display
PID: 197300 (7B/8/1K4R1/pR1NPp2/r2k4/1n1p4/B7/2QNq2r w - - 0 1)

Vasilenko, Anatoly Grigorovich

Zadachi i Etyudi, 1996

7B/8/1K4R1/pR1NPp2/r2k4/1n1p4/B7/2QNq2r

#2

9 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qf4#
    • 1...Qc3
      • 2.Qf4#
    • 1...Qb4
      • 2.Qf4#
    • 1...Qxd1
      • 2.Qf4#
    • 1...Qg1
      • 2.Qf4#
    • 1...Qe4
      • 2.Qc3#
    • 1...Qxe5
      • 2.Qf4#
  • Tries
    • 1.Sf6?
      • threat
        • 2.Rd5#
      • 1...Qxe5
        • 2.Qc3#
      • 1...Qc3
        • 2.Qf4#
        • 2.Qxc3#
      • 1...Sc5
        • 2.Qxc5#
      • 1...Qb4
        • 2.Qf4#
      • 1...Qe4
        • 2.Qc3#
      • 1...Rb4!
    • 1.Qe3+?
      • 1...Kc4
        • 2.Sb2#
        • 2.Bxb3#
        • 2.Rc5#
        • 2.Rc6#
        • 2.Qc5#
      • 1...Qxe3!
    • 1.e6+?
      • 1...Ke4
        • 2.Qf4#
      • 1...Qe5
        • 2.Qf4#
      • 1...Rxh8!
  • Keys
    • 1.Rd6!
      • threat
        • 2.Sf6#
      • 1...Ke4
        • 2.Qf4#
      • 1...Qxe5
        • 2.Qf4#
      • 1...Qc3
        • 2.Qf4#
      • 1...Qb4
        • 2.Qf4#
      • 1...Qe4
        • 2.Qc3#
      • 1...Sc5
        • 2.S5c3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • K(f);P-FLIGHT::QAR1(A)
    • Q(a);N_GUARD::QAR2(A)
    • Q(a);N_GUARD,P_PINR(D)::QAR2(A)
    • Q(a);N_GUARD,XS(B)::QAR2(A)
    • Q(a);N_GUARD,SBLOCK::QAB1(A)
    • Q(a);N_GUARD,P_SPINQ(a),XP(F)::QAR2(A)
  • Tries
    • Try
      • S(E);
      • Threat
        • R1(D)
      • Vars
        • Q(a);N_GUARD,XP(F)::QAB1(A)
        • S(c);N_GUARD::QAB1(A),XS(c)
        • Q(a);N_GUARD,P_PINR(D)::QAR2(A)
        • Q(a);N_GUARD::QAB1(A)
      • Refutation
        • R(e);P_PINR(D)
    • Try
      • Q(A);CHECK
      • Refutation
        • Q(a);XQ(A)
    • Try
      • P(F);CHECK
      • Vars
        • K(f);P-FLIGHT::QAR1(A)
        • Q(a);P_SPINQ(a)::QAR2(A)
      • Refutation
        • R(b);XB(I)
  • Actual
    • R(H);
    • Threat
      • R(H)+S(E)
    • Vars
      • K(f);P-FLIGHT::QAR1(A)
      • Q(a);N_GUARD,P_SPINQ(a),XP(F)::QAR2(A)
      • Q(a);N_GUARD::QAR2(A)
      • Q(a);N_GUARD,P_PINR(D)::QAR2(A)
      • Q(a);N_GUARD,SBLOCK::QAB1(A)
      • S(c);::R(H)+S(E)
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