MESON Chess Problem Database

Problem Display
PID: 53184 (2q1N1b1/3N4/2B1nB2/1n5R/1rk2pK1/R1P5/P1P5/3r2b1 w - - 0 1)

Reddmann, Hauke

Die Schwalbe, 2004

2q1N1b1/3N4/2B1nB2/1n5R/1rk2pK1/R1P5/P1P5/3r2b1

#2

10 + 9

3713 Snap 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Bd5#
    • 1...Rdb1
      • 2.Bd5#
    • 1...Rc1
      • 2.Bd5#
    • 1...Re1
      • 2.Bd5#
    • 1...Rf1
      • 2.Bd5#
    • 1...Rd4
      • 2.Sb6#
    • 1...Rd5
      • 2.Bxd5#
    • 1...Rb3
      • 2.axb3#
    • 1...Ra4
      • 2.Bxb5#
      • 2.Rxa4#
    • 1...Bh2
      • 2.Sb6#
    • 1...Bd4
      • 2.Bd5#
    • 1...Bc5
      • 2.Se5#
    • 1...Bb6
      • 2.Sxb6#
    • 1...Sxc3
      • 2.Rxc3#
    • 1...Sbd4
      • 2.Sd6#
    • 1...Sed4
      • 2.Rc5#
  • Tries
    • 1.Rc5+?
      • 1...Bxc5
        • 2.Se5#
      • 1...Sxc5!
  • Keys
    • 1.Rb3!
      • threat
        • 2.Rxb4#
      • 1...Rxb3
        • 2.axb3#
      • 1...Sxc3
        • 2.Rxc3#
      • 1...Rb1
        • 2.Bd5#
      • 1...Rd4
        • 2.Sb6#
      • 1...Ra4
        • 2.Bxb5#
      • 1...Bd4
        • 2.Bd5#
      • 1...Bc5
        • 2.Se5#
      • 1...Sbd4
        • 2.Sd6#
      • 1...Sed4
        • 2.Rc5#

Anticipated by 137493(1957)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 7
  • Sets
    • R(a);N_GUARD::B(G)
    • R(a);S_CUTB(b)::S(I)
    • R(a);N_GUARD::B(G),XR(a)
    • R(c);OGATE::P(A),XR(c)
    • B(b);N_GUARD::S(I)
    • B(b);S_CUTR(a)::B(G)
    • B(b);SBLOCK::S(I)
    • B(b);N_GUARD::S(I),XB(b)
    • S(f);OGATE,XP(D)::R1(C),XS(f)
    • S(f);N_GUARD,S_CUTR(a)::S(J)
    • S(g);N_GUARD,P_PINS(I),S_CUTB(b)::R1(F)
  • Tries
    • Try
      • R(F);CHECK
      • Vars
        • B(b);SBLOCK,XR(F)::S(I)
      • Refutation
        • S(g);P_PINS(I),XR(F)
  • Actual
    • R(C);
    • Threat
      • R1(C),XR(c)
    • Vars
      • R(c);OGATE,XR(C)::P(A),XR(c)
      • S(f);OGATE,XP(D)::R1(C),XS(f)
      • R(a);N_GUARD::B(G)
      • R(a);S_CUTB(b)::S(I)
      • R(c);N_GUARD::B(G),XS(f)
      • B(b);S_CUTR(a)::B(G)
      • B(b);SBLOCK::S(I)
      • S(f);N_GUARD,S_CUTR(a)::S(J)
      • S(g);N_GUARD,P_PINS(I),S_CUTB(b)::R1(F)
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Developed and maintained by Brian Stephenson.
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