MESON Chess Problem Database

Problem Display
PID: 201681 (8/2pp1N2/K6Q/2Bk1B2/R7/8/2N5/6bb w - - 0 1)

Kipping, Cyril Stanley

Bekes Sakk, 1922

8/2pp1N2/K6Q/2Bk1B2/R7/8/2N5/6bb

#2

7 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bxc5
      • 2.Qxh1#
    • 1...c6
      • 2.Qd6#
  • Tries
    • 1.Kb5?
      • threat
        • 2.Sb4#
        • 2.Qxh1#
      • 1...Bxc5
        • 2.Qxh1#
      • 1...Bh2
        • 2.Se3#
        • 2.Sb4#
        • 2.Rd4#
        • 2.Qd2#
      • 1...Bg2
        • 2.Sb4#
      • 1...Bf3
        • 2.Sb4#
      • 1...Be4
        • 2.Sb4#
        • 2.Bxe4#
      • 1...c6+!
    • 1.Se3+?
      • 1...Kxc5
        • 2.Rc4#
      • 1...Bxe3!
    • 1.Bxd7?
      • threat
        • 2.Qg5#
        • 2.Qh5#
        • 2.Qc6#
      • 1...Bd4
        • 2.Qc6#
      • 1...Bh2
        • 2.Qc6#
      • 1...Be3
        • 2.Qc6#
      • 1...Bf3
        • 2.Qg5#
        • 2.Qc6#
      • 1...Be4
        • 2.Qc6#
      • 1...c6
        • 2.Qg5#
        • 2.Qh5#
        • 2.Qxc6#
        • 2.Qd6#
      • 1...Kxc5!
    • 1.Qe6+?
      • 1...Kxc5
        • 2.Rc4#
        • 2.Ra5#
        • 2.Qc4#
      • 1...dxe6!
  • Keys
    • 1.Qc1!
      • threat
        • 2.Sb4#
      • 1...Kxc5
        • 2.Se3#
      • 1...Kc6
        • 2.Sb4#
      • 1...Bxc5
        • 2.Qxh1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(a);SBLOCK,XB(C)::QAB(F),XB(b)
    • P(d);N_GUARD::QAR1(F)
  • Tries
    • Try
      • K(E);S_FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • B(a);XB(C)::QAB(F),XB(b)
        • B(b);::S(A)
      • Refutation
        • P(d);CHECK
    • Try
      • S(A);CHECK
      • Vars
        • K(c);P-FLIGHT,XB(C)::R1(B)
      • Refutation
        • B(a);XS(A)
    • Try
      • B(D);XP(e)
      • Threat
        • DUALS(3)
      • Vars
        • B(a);::QAB1(F)
        • B(b);::QAB1(F)
      • Refutation
        • K(c);P-FLIGHT,XB(C)
    • Try
      • Q(F);CHECK
      • Refutation
        • P(e);XQ(F)
  • Actual
    • Q(F);
    • Threat
      • S(A)
    • Vars
      • K(c);P-FLIGHT,XB(C)::QAR(F)+S(A)
      • K(c);S_FLIGHT::S(A)
      • B(a);OGATE,SBLOCK,XB(C)::QAB(F),XB(b)
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