MESON Chess Problem Database

Problem Display
PID: 137514 (2N1Rn2/2p5/NprP1pp1/3k1P2/3p1p2/2pB1P1Q/2KbR3/2B5 w - - 0 1)

Jordan, Gunter

Freie Presse, 1999

2N1Rn2/2p5/NprP1pp1/3k1P2/3p1p2/2pB1P1Q/2KbR3/2B5

#2

11 + 11

14503 Problemschach-Jahrbuch (1999) 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Be4#
    • 1...Rc5
      • 2.Sb4#
    • 1...Rxd6
      • 2.Se7#
    • 1...gxf5
      • 2.Qxf5#
    • 1...cxd6
      • 2.Se7#
  • Tries
    • 1.Kb3?
      • threat
        • 2.Be4#
      • 1...gxf5
        • 2.Qxf5#
      • 1...Se6!
    • 1.Sxc7+?
      • 1...Kc5
        • 2.Ba3#
      • 1...Rxc7!
    • 1.Ba3?
      • threat
        • 2.Se7#
      • 1...Rc5
        • 2.Sb4#
      • 1...Be3!
    • 1.R2e6?
      • threat
        • 2.Se7#
      • 1...gxf5
        • 2.Qxf5#
      • 1...Sxe6!
  • Keys
    • 1.fxg6!
      • threat
        • 2.Qf5#
      • 1...Rxd6
        • 2.Se7#
      • 1...Sxg6
        • 2.Qe6#
      • 1...Rc4
        • 2.Be4#
      • 1...Rc5
        • 2.Sb4#
      • 1...Sd7
        • 2.Qe6#
      • 1...f5
        • 2.R2e5#
        • 2.R8e5#
        • 2.Qxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • R(g);SBLOCK::B(D)
    • R(g);SBLOCK::S(H)
    • R(g);SBLOCK,XP(I)::S(J)
    • P(i);OGATE,XP(G)::QAR2(F),XP(i)
    • P(j);SBLOCK,XP(I)::S(J)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Threat
        • B(D)
      • Vars
        • P(i);OGATE,XP(G)::QAR2(F),XP(i)
      • Refutation
        • S(k);
    • Try
      • S(H);CHECK,XP(j)
      • Vars
        • K(e);P-FLIGHT::B(A)
      • Refutation
        • R(g);XS(H)
    • Try
      • B(A);
      • Threat
        • S(J)
      • Vars
        • R(g);SBLOCK::S(H)
      • Refutation
        • B(a);
    • Try
      • R(C);
      • Threat
        • S(J)
      • Vars
        • P(i);OGATE,XP(G)::QAR2(F),XP(i)
      • Refutation
        • S(k);XR(C)
  • Actual
    • P(G);XP(i)
    • Threat
      • QAR2(F)
    • Vars
      • R(g);SBLOCK,XP(I)::S(J)
      • S(k);N_GUARD,XP(G)::QAB1(F)
      • R(g);SBLOCK::B(D)
      • R(g);SBLOCK::S(H)
      • S(k);N_GUARD::QAB1(F)
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