MESON Chess Problem Database

Problem Display
PID: 162882 (2rb1B2/2P3R1/4NkB1/2pKn1pr/4p1pP/1n1P3N/1Rb5/Q7 w - - 0 1)

Kettner, Karl Werner

Welt im Bild, 1935

(First published on Sun Jun 23 1935)

2rb1B2/2P3R1/4NkB1/2pKn1pr/4p1pP/1n1P3N/1Rb5/Q7

#2

11 + 11

15601 Albrecht-Leiss-Degener Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Rh6
      • 2.hxg5#
    • 1...Rh7
      • 2.hxg5#
    • 1...Rh8
      • 2.hxg5#
    • 1...Bb1
      • 2.Rf2#
    • 1...Bxd3
      • 2.Rf2#
    • 1...Bxc7
      • 2.Be7#
    • 1...Be7
      • 2.Bxe7#
    • 1...Sc4
      • 2.Qf1#
    • 1...Sc6
      • 2.Qf1#
    • 1...Sd7
      • 2.Qf1#
    • 1...Sf7
      • 2.Qf1#
  • Keys
    • 1.Sexg5!
      • threat
        • 2.Sxe4#
      • 1...Rxg5
        • 2.hxg5#
      • 1...Bxd3
        • 2.Rf2#
      • 1...Sxd3
        • 2.Qa6#
      • 1...Sxg6
        • 2.Rf7#
      • 1...exd3
        • 2.Se4#
      • 1...Sd2
        • 2.Rb6#
      • 1...Sf3
        • 2.Qa6#
      • 1...Sc4
        • 2.Qf1#
      • 1...Sc6
        • 2.Qf1#
      • 1...Sd7
        • 2.Qf1#
      • 1...Sf7
        • 2.Qf1#
      • 1...e3
        • 2.Se4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 6
  • Sets
    • R(h);N_GUARD::P(E),XP(g)
    • B(a);OGATE::R(B)
    • B(a);OGATE,XP(C)::R(B)
    • B(k);N_GUARD,XP(I)::B(K)
    • B(k);N_GUARD::B(K),XB(k)
    • S(f);N_GUARD::QAR(A)
  • Actual
    • S(G);XP(g)
    • Threat
      • S(G),XP(c)
    • Vars
      • R(h);OGATE,XS(G)::P(E),XR(h)
      • B(a);OGATE,XP(C)::R(B)
      • S(f);N_GUARD,P_PINS(G),XP(C)::QAR(A)
      • S(f);N_GUARD,P_PINS(G),SBLOCK,XB(H)::R1(J)
      • P(c);XP(C)::S(G)
      • S(b);OGATE::R(B)
      • S(f);N_GUARD,P_PINS(G)::QAR(A)
      • P(c);::S(G)
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