MESON Chess Problem Database

Problem Display
PID: 171074 (8/K7/1Rp1B3/B7/p2pN2b/k7/6pR/8 w - - 0 1)

Hoffmann, Fritz

Rhein-Neckar-Zeitung, 1993

8/K7/1Rp1B3/B7/p2pN2b/k7/6pR/8

#2

6 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...g1Q
      • 2.Bb4#
      • 2.Ra2#
    • 1...g1S
      • 2.Bb4#
      • 2.Ra2#
    • 1...g1B
      • 2.Bb4#
      • 2.Ra2#
    • 1...g1R
      • 2.Bb4#
      • 2.Ra2#
  • Tries
    • 1.Sc3?
      • threat
        • 2.Sb1#
      • 1...g1Q
        • 2.Bb4#
        • 2.Ra2#
      • 1...g1R
        • 2.Bb4#
        • 2.Ra2#
      • 1...dxc3!
    • 1.Bd2?
      • threat
        • 2.Bc1#
      • 1...g1Q
        • 2.Bb4#
      • 1...g1R
        • 2.Bb4#
      • 1...Bg5!
    • 1.Rxg2?
      • threat
        • 2.Bb4#
        • 2.Ra2#
      • 1...Be1
        • 2.Ra2#
      • 1...Be7
        • 2.Ra2#
      • 1...c5
        • 2.Ra2#
      • 1...Bf2!
    • 1.Rh3+?
      • 1...d3
        • 2.Rxd3#
      • 1...Bg3!
  • Keys
    • 1.Sd2!
      • threat
        • 2.Sb1#
      • 1...g1Q
        • 2.Sc4#
      • 1...g1R
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • S(B)
      • Refutation
        • P(d);XS(B)
    • Try
      • B(C);
      • Threat
        • B(C)
      • Vars
        • P(a);::B(C)
      • Refutation
        • B(e);
    • Try
      • R(A);XP(a)
      • Threat
        • DUALS(2)
      • Vars
        • B(e);::R1(A)
        • P(f);::R1(A)
      • Refutation
        • B(e);
    • Try
      • R(A);CHECK
      • Vars
        • P(d);P_SPINP(d)::R(A),XP(d)
      • Refutation
        • B(e);P_SPINB(e)
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • P(a);::S(B)
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