MESON Chess Problem Database

Problem Display
PID: 211095 (8/3pN3/4b3/2pR1P1N/R3B3/n1P1k1p1/K1P1p3/4B2n w - - 0 1)

Kipping, Cyril Stanley

The Observer, 1921

(First published on Sun Aug 21 1921)

8/3pN3/4b3/2pR1P1N/R3B3/n1P1k1p1/K1P1p3/4B2n

#2

10 + 8

15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd5+
      • 2.Sxd5#
    • 1...Bxf5
      • 2.Sxf5#
      • 2.Rd3#
    • 1...Sf2
      • 2.Bd2#
  • Tries
    • 1.Kxa3?
      • threat
        • 2.Rd3#
      • 1...Bxd5
        • 2.Sxd5#
      • 1...Sf2
        • 2.Bd2#
      • 1...c4!
    • 1.Bxh1?
      • threat
        • 2.Re4#
      • 1...Bxd5+
        • 2.Sxd5#
      • 1...Bxf5
        • 2.Sxf5#
      • 1...Sc4
        • 2.Rd3#
      • 1...c4
        • 2.Re5#
      • 1...g2!
    • 1.Rc4?
      • threat
        • 2.Rd3#
      • 1...Bxd5
        • 2.Sxd5#
      • 1...Sf2
        • 2.Bd2#
      • 1...Sxc4!
  • Keys
    • 1.Bg2!
      • threat
        • 2.Re4#
      • 1...Bxd5+
        • 2.Sxd5#
      • 1...Bxf5
        • 2.Sxf5#
      • 1...Sf2
        • 2.Bd2#
      • 1...Sc4
        • 2.Rd3#
      • 1...c4
        • 2.Re5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(g);CHECK,XR(G)::S(J),XB(g)
    • S(a);SBLOCK::B(A)
  • Tries
    • Try
      • K(B);N_SPINR(G),P-FLIGHT,XS(c)
      • Threat
        • R1(G)
      • Vars
        • B(g);XR(G)::S(J),XB(g)
        • S(a);SBLOCK::B(A)
      • Refutation
        • P(f);
    • Try
      • B(F);XS(a)
      • Threat
        • R1(E)
      • Vars
        • B(g);CHECK,XR(G)::S(J),XB(g)
        • B(g);N_PINR(G),XP(H)::S(J),XB(g)
        • S(c);N_PINR(G)::R1(G)
        • P(f);N_PINR(G)::R(G)
      • Refutation
        • P(e);
    • Try
      • R(E);N_SPINR(G)
      • Threat
        • R1(G)
      • Vars
        • B(g);P_PINR(E),XR(G)::S(J),XB(g)
        • S(a);SBLOCK::B(A)
      • Refutation
        • S(c);XR(E)
  • Actual
    • B(F);
    • Threat
      • R1(E)
    • Vars
      • B(g);CHECK,XR(G)::S(J),XB(g)
      • B(g);N_PINR(G),XP(H)::S(J),XB(g)
      • S(a);SBLOCK::B(A)
      • S(c);N_PINR(G)::R1(G)
      • P(f);N_PINR(G)::R(G)
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