MESON Chess Problem Database

Problem Display
PID: 101414 (1KN1b2q/2p4p/4N3/1B1kpPp1/4n1Q1/bP1p1Rp1/5p2/B1rr4 w - - 0 1)

Pape, Edouard

Good Companions, 1920

1KN1b2q/2p4p/4N3/1B1kpPp1/4n1Q1/bP1p1Rp1/5p2/B1rr4

#2

9 + 14

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.bxc4#
    • 1...Re1
      • 2.Rxd3#
    • 1...Rf1
      • 2.Rxd3#
    • 1...Rg1
      • 2.Rxd3#
    • 1...Rh1
      • 2.Rxd3#
    • 1...Bc5
      • 2.Sxc7#
    • 1...Sd2
      • 2.Rxd3#
    • 1...Sc3
      • 2.Qc4#
    • 1...Sc5
      • 2.Sxc7#
    • 1...Sd6
      • 2.Se7#
    • 1...d2
      • 2.Rd3#
    • 1...c5
      • 2.Sc7#
  • Keys
    • 1.Re3!
      • threat
        • 2.Qxe4#
      • 1...Rc4
        • 2.bxc4#
      • 1...Sd2
        • 2.Rxd3#
      • 1...Sc3
        • 2.Qc4#
      • 1...Sc5
        • 2.Sxc7#
      • 1...Sd6
        • 2.Se7#
      • 1...Sf6
        • 2.Rxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 7
  • Sets
    • R(a);OGATE::P(B),XR(a)
    • R(b);N_GUARD::R(C),XP(e)
    • B(d);SBLOCK,S_CUTR(a)::S(G),XP(k)
    • S(g);S_CUTR(b)::R(C),XP(e)
    • S(g);OGATE::QAB1(D)
    • S(g);SBLOCK,S_CUTR(a)::S(G),XP(k)
    • S(g);SBLOCK,S_CUTB(d)::S(I)
    • P(e);S_CUTR(b)::R(C)
    • P(k);SBLOCK,S_CUTR(a)::S(G)
  • Actual
    • R(C);
    • Threat
      • QAB1(D),XS(g)
    • Vars
      • R(a);OGATE::P(B),XR(a)
      • S(g);S_CUTR(b)::R(C),XP(e)
      • S(g);OGATE::QAB1(D)
      • S(g);SBLOCK,S_CUTR(a)::S(G),XP(k)
      • S(g);SBLOCK,S_CUTB(d)::S(I)
      • S(g);OGATE::R1(C),XP(i)
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Developed and maintained by Brian Stephenson.
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