MESON Chess Problem Database

Problem Display
PID: 73620 (7Q/8/6p1/6p1/6Rn/p1K3N1/R4Nk1/8 w - - 0 1)

Cuppini, Alessandro

Freie Presse, 1993

7Q/8/6p1/6p1/6Rn/p1K3N1/R4Nk1/8

#2

6 + 5

6113 Problemschach-Jahrbuch (1993) 1994

SOLUTION

  • SOUND
  • Sets
    • 1...Kg1
      • 2.Sh3#
    • 1...Kh2
      • 2.Sf1#
    • 1...Sf3
      • 2.Qh1#
    • 1...Sf5
      • 2.Qh1#
  • Tries
    • 1.Kb3?
      • 1...Kg1
        • 2.Sh3#
      • 1...Kh2
        • 2.Sf1#
      • 1...Sf3
        • 2.Qh1#
      • 1...Sf5
        • 2.Qh1#
      • 1...Kf3!
    • 1.Kb4?
      • 1...Kg1
        • 2.Sh3#
      • 1...Kh2
        • 2.Sf1#
      • 1...Sf3
        • 2.Qh1#
      • 1...Sf5
        • 2.Qh1#
      • 1...Kf3!
    • 1.Kc4?
      • 1...Kg1
        • 2.Sh3#
      • 1...Kh2
        • 2.Sf1#
      • 1...Sf3
        • 2.Qh1#
      • 1...Sf5
        • 2.Qh1#
      • 1...Kf3!
    • 1.Sf1+?
      • 1...Kf3
        • 2.Qa8#
      • 1...Kxf1!
    • 1.Sf5+?
      • 1...Kh2
        • 2.Qe5#
        • 2.Qb8#
      • 1...Kf3
        • 2.Qa8#
      • 1...Kf1!
    • 1.Sh5+?
      • 1...Kh2
        • 2.Qe5#
        • 2.Qb8#
      • 1...Kf3
        • 2.Rg3#
      • 1...Kf1!
    • 1.Re2?
      • 1...Kg1
        • 2.Sh3#
      • 1...Kh2
        • 2.Sf1#
      • 1...Kf3
        • 2.Qa8#
      • 1...Sf3
        • 2.Sh3#
        • 2.Qh1#
      • 1...Sf5
        • 2.Qh1#
      • 1...a2!
    • 1.Rxg5?
      • 1...Kg1
        • 2.Sh3#
      • 1...Kh2
        • 2.Sf1#
      • 1...Sf3
        • 2.Qh1#
      • 1...Sf5
        • 2.Qh1#
      • 1...Kf3!
    • 1.Qh6?
      • 1...Kg1
        • 2.Sh3#
      • 1...Kh2
        • 2.Sf1#
      • 1...Sf3
        • 2.Qh1#
      • 1...Sf5
        • 2.Qh1#
      • 1...Kf3!
    • 1.Qh7?
      • 1...Kg1
        • 2.Sh3#
      • 1...Kh2
        • 2.Sf1#
      • 1...Sf3
        • 2.Qh1#
      • 1...Sf5
        • 2.Qh1#
      • 1...Kf3!
    • 1.Qa8+?
      • 1...Kg1
        • 2.Sh3#
        • 2.Qh1#
      • 1...Kh2
        • 2.Sf1#
        • 2.Qh1#
      • 1...Sf3!
  • Keys
    • 1.Kd3!
      • 1...Kg1
        • 2.Sh3#
      • 1...Kh2
        • 2.Sf1#
      • 1...Kf3
        • 2.Qa8#
      • 1...Sf3
        • 2.Qh1#
      • 1...Sf5
        • 2.Qh1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::S(B)
    • K(a);P-FLIGHT,P_SPINS(c)::S(D)
    • S(c);OGATE,SBLOCK::QAB1(F)
    • S(c);OGATE::QAB1(F)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::S(B)
        • K(a);P-FLIGHT,P_SPINS(c)::S(D)
        • S(c);OGATE,SBLOCK::QAB1(F)
        • S(c);OGATE::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(C);S_FLIGHT
      • Vars
        • K(a);P-FLIGHT::S(B)
        • K(a);P-FLIGHT,P_SPINS(c)::S(D)
        • S(c);OGATE,SBLOCK::QAB1(F)
        • S(c);OGATE::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::S(B)
        • K(a);P-FLIGHT,P_SPINS(c)::S(D)
        • S(c);OGATE,SBLOCK::QAB1(F)
        • S(c);OGATE::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB(F)
      • Refutation
        • K(a);S_FLIGHT,XS(D)
    • Try
      • S(D);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);CHECK
      • Vars
        • K(a);S_FLIGHT::R1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);P-FLIGHT::S(B)
        • K(a);P-FLIGHT,P_SPINS(c)::S(D)
        • K(a);S_FLIGHT::QAB(F)
        • S(c);OGATE::QAB1(F)
      • Refutation
        • P(b);
    • Try
      • R(E);XP(d)
      • Vars
        • K(a);P-FLIGHT::S(B)
        • K(a);P-FLIGHT,P_SPINS(c)::S(D)
        • S(c);OGATE,SBLOCK::QAB1(F)
        • S(c);OGATE::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);P-FLIGHT::S(B)
        • K(a);P-FLIGHT,P_SPINS(c)::S(D)
        • S(c);OGATE,SBLOCK::QAB1(F)
        • S(c);OGATE::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);P-FLIGHT::S(B)
        • K(a);P-FLIGHT,P_SPINS(c)::S(D)
        • S(c);OGATE,SBLOCK::QAB1(F)
        • S(c);OGATE::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);CHECK
      • Refutation
        • S(c);P_SPINS(c)
  • Actual
    • K(C);P-FLIGHT
    • Vars
      • K(a);P-FLIGHT::S(B)
      • K(a);P-FLIGHT,P_SPINS(c)::S(D)
      • K(a);S_FLIGHT::QAB(F)
      • S(c);OGATE,SBLOCK::QAB1(F)
      • S(c);OGATE::QAB1(F)
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