MESON Chess Problem Database

Problem Display
PID: 229929 (8/5R2/2N5/3kp3/4N3/6P1/2KP4/7Q w - - 0 1)

Rossati, Luigi

8th Prize, BCA Ty., 1873-1874

8/5R2/2N5/3kp3/4N3/6P1/2KP4/7Q

#2

7 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sc3+?
      • 1...Kc4
        • 2.Qd5#
      • 1...Kd6
        • 2.Qd5#
      • 1...Ke6
        • 2.Qd5#
      • 1...Kc5!
    • 1.Sa5?
      • 1...Kd4
        • 2.Rd7#
      • 1...Ke6!
    • 1.Rd7+?
      • 1...Kc4
        • 2.Qf1#
      • 1...Ke6
        • 2.Qh3#
      • 1...Kxc6!
    • 1.Qf3?
      • 1...Kc4
        • 2.Qb3#
        • 2.Qd3#
      • 1...Ke6
        • 2.Qb3#
      • 1...Kxc6!
    • 1.Qf1?
      • 1...Kxe4
        • 2.Qg2#
        • 2.Qd3#
        • 2.Qc4#
        • 2.Qh1#
        • 2.Qf3#
      • 1...Ke6
        • 2.Qc4#
      • 1...Kxc6!
    • 1.Qg1?
      • 1...Kc4
        • 2.Qc5#
      • 1...Kxe4
        • 2.Qh1#
        • 2.Qg2#
      • 1...Kxc6
        • 2.Qc5#
      • 1...Ke6!
    • 1.Qh6?
      • 1...Kxe4
        • 2.Qh1#
      • 1...Kc4!
  • Keys
    • 1.Qb1!
      • 1...Kc4
        • 2.Qb3#
      • 1...Kxe4
        • 2.Qh1#
      • 1...Kxc6
        • 2.Qb7#
      • 1...Ke6
        • 2.Qa2#
        • 2.Qb3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(F);
      • Vars
        • K(a);P-FLIGHT::R(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(G);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB(A)
      • Refutation
        • K(a);S_FLIGHT,XS(F)
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAB(A)
      • Refutation
        • K(a);S_FLIGHT,XS(F)
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAB(A)
      • Refutation
        • K(a);S_FLIGHT,XS(F)
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
        • K(a);S_FLIGHT,XS(F)::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);OGATEB,S_FLIGHT,XS(E)::QAB(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT::QAB1(A)
      • K(a);OGATEB,S_FLIGHT,XS(E)::QAB(A)
      • K(a);OGATEB,S_FLIGHT,XS(F)::QAB1(A)
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