MESON Chess Problem Database

Problem Display
PID: 231352 (7Q/2NB2P1/2PkPp2/3P1Pp1/1R4K1/8/8/8 w - - 0 1)

Szasz, Lajos

Kecskemet, 1927

7Q/2NB2P1/2PkPp2/3P1Pp1/1R4K1/8/8/8

#2

10 + 3

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Qf8#
    • 1...Ke5
      • 2.Qh2#
    • 1...Kxc7
      • 2.Qb8#
    • 1...Ke7
      • 2.Qf8#
  • Tries
    • 1.Bc8?
      • 1...Kc5
        • 2.Qf8#
      • 1...Ke5
        • 2.Qh2#
      • 1...Ke7
        • 2.Qf8#
      • 1...Kxc7!
    • 1.Rc4?
      • 1...Ke5
        • 2.Qh2#
      • 1...Ke7
        • 2.Qf8#
      • 1...Kxc7!
    • 1.Rb5?
      • 1...Kxc7
        • 2.Qb8#
      • 1...Ke7
        • 2.Qf8#
      • 1...Ke5!
    • 1.Qa8?
      • 1...Kc5
        • 2.Qf8#
      • 1...Kxc7
        • 2.Qb8#
      • 1...Ke7
        • 2.Qf8#
      • 1...Ke5!
    • 1.Qb8?
      • 1...Kc5
        • 2.Qf8#
      • 1...Ke7
        • 2.Qf8#
      • 1...Ke5!
    • 1.Qc8?
      • 1...Kc5
        • 2.Qf8#
      • 1...Ke7
        • 2.Qf8#
      • 1...Ke5!
    • 1.Qd8?
      • 1...Kc5
        • 2.Qe7#
        • 2.Qf8#
      • 1...Ke5!
    • 1.Qe8?
      • 1...Kc5
        • 2.Qe7#
        • 2.Qf8#
      • 1...Kxc7
        • 2.Qb8#
      • 1...Ke5!
    • 1.Qf8+?
      • 1...Kxc7
        • 2.Rb7#
        • 2.Qb8#
        • 2.d6#
      • 1...Ke5!
    • 1.Qg8?
      • 1...Kc5
        • 2.Qf8#
      • 1...Kxc7
        • 2.Qb8#
      • 1...Ke7
        • 2.Qf8#
      • 1...Ke5!
    • 1.e7?
      • 1...Ke5
        • 2.Qh2#
      • 1...Kxc7
        • 2.Qh2#
        • 2.Qb8#
      • 1...Kxe7
        • 2.Qf8#
      • 1...Kc5!
  • Keys
    • 1.g8Q!
      • 1...Kc5
        • 2.Qf8#
      • 1...Ke5
        • 2.Qh2#
      • 1...Kxc7
        • 2.Qb8#
        • 2.Qh2#
      • 1...Ke7
        • 2.Qf8#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • K(b);S_FLIGHT::QAB(J)
    • K(b);OGATEB,S_FLIGHT,XS(G)::QAB1(J)
    • K(b);S_FLIGHT::QAB1(J)
  • Tries
    • Try
      • B(H);
      • Vars
        • K(b);S_FLIGHT::QAB(J)
        • K(b);S_FLIGHT::QAB1(J)
      • Refutation
        • K(b);S_FLIGHT,XS(G)
    • Try
      • R(A);
      • Vars
        • K(b);S_FLIGHT::QAB(J)
        • K(b);S_FLIGHT::QAB1(J)
      • Refutation
        • K(b);S_FLIGHT,XS(G)
    • Try
      • R(A);
      • Vars
        • K(b);OGATEB,S_FLIGHT,XS(G)::QAB1(J)
        • K(b);S_FLIGHT::QAB1(J)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(J);
      • Vars
        • K(b);S_FLIGHT::QAB(J)
        • K(b);OGATEB,S_FLIGHT,XS(G)::QAB1(J)
        • K(b);S_FLIGHT::QAB1(J)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(J);
      • Vars
        • K(b);S_FLIGHT::QAB(J)
        • K(b);S_FLIGHT::QAB1(J)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(J);
      • Vars
        • K(b);S_FLIGHT::QAB(J)
        • K(b);S_FLIGHT::QAB1(J)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(J);
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(J);
      • Vars
        • K(b);OGATEB,S_FLIGHT,XS(G)::QAB1(J)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(J);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(J);
      • Vars
        • K(b);S_FLIGHT::QAB(J)
        • K(b);OGATEB,S_FLIGHT,XS(G)::QAB1(J)
        • K(b);S_FLIGHT::QAB1(J)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(F);
      • Vars
        • K(b);S_FLIGHT::QAB(J)
        • K(b);OGATEB,S_FLIGHT,XP(F)::QAB1(J)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • P(I);
    • Vars
      • K(b);S_FLIGHT::QAB(I)
      • K(b);P_SPINP(c),S_FLIGHT::QAB(J)
      • K(b);S_FLIGHT::QAB1(I)
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