MESON Chess Problem Database

Problem Display
PID: 140898 (6K1/6Q1/6b1/6k1/4R3/6N1/8/8 w - - 0 1)

Abramenko, GS

Kennst du die Bibel?, 1971

(First published on Sun Jan 24 1971)

6K1/6Q1/6b1/6k1/4R3/6N1/8/8

#2

4 + 2

15148 Sadier Collection 2011
5454 Near Snap 2013

SOLUTION

  • SOUND
  • Tries
    • 1.Sf1?
      • 1...Kf5
        • 2.Qe5#
      • 1...Kh5!
    • 1.Sh1?
      • 1...Kf5
        • 2.Qe5#
      • 1...Kh5!
    • 1.Se2?
      • 1...Kf5
        • 2.Qe5#
      • 1...Kh5!
    • 1.Sh5?
      • 1...Kf5
        • 2.Qe5#
      • 1...Kxh5!
    • 1.Qe5+?
      • 1...Kh6
        • 2.Qf4#
      • 1...Bf5!
    • 1.Qf6+?
      • 1...Kh6
        • 2.Rh4#
        • 2.Qf4#
      • 1...Kxf6!
    • 1.Qh6+?
      • 1...Kf6
        • 2.Qh4#
      • 1...Kxh6!
  • Keys
    • 1.Sf5!
      • 1...Kxf5
        • 2.Qe5#
      • 1...Kh5
        • 2.Qh6#

Anticipated by 193981(1916)

This anticipates 7423(1999)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Vars
        • K(a);N_SPINB(b),P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);N_SPINB(b),P-FLIGHT
    • Try
      • S(A);
      • Vars
        • K(a);N_SPINB(b),P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);N_SPINB(b),P-FLIGHT
    • Try
      • S(A);
      • Vars
        • K(a);N_SPINB(b),P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);N_SPINB(b),P-FLIGHT
    • Try
      • S(A);
      • Vars
        • K(a);N_SPINB(b),P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);N_SPINB(b),P-FLIGHT,XS(A)
    • Try
      • Q(C);CHECK,N_PINB(b)
      • Vars
        • K(a);S_FLIGHT::QAB(C)
      • Refutation
        • B(b);P_SPINB(b)
    • Try
      • Q(C);CHECK,N_PINB(b)
      • Refutation
        • K(a);S_FLIGHT,XQ(C)
    • Try
      • Q(C);CHECK,N_PINB(b)
      • Vars
        • K(a);P_SPINB(b),S_FLIGHT::QAB(C)
      • Refutation
        • K(a);S_FLIGHT,XQ(C)
  • Actual
    • S(A);
    • Vars
      • K(a);N_SPINB(b),OGATEB,P-FLIGHT,XS(A)::QAR1(C)
      • K(a);N_SPINB(b),P-FLIGHT::QAR1(C)
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