MESON Chess Problem Database

Problem Display
PID: 32986 (2Rn4/6Q1/r6r/3p4/2pB1p2/3N1Kp1/3R2P1/1k6 w - - 0 1)

Buchwald, Julius

The Problemist, 1928

2Rn4/6Q1/r6r/3p4/2pB1p2/3N1Kp1/3R2P1/1k6

#2

7 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Rb2#
  • Tries
    • 1.Rxc4?
      • threat
        • 2.Rc1#
        • 2.Rb4#
      • 1...Ra2
        • 2.Rd1#
        • 2.Rc1#
      • 1...Ra3
        • 2.Rc1#
      • 1...Ra4
        • 2.Rc1#
      • 1...Rab6
        • 2.Rc1#
      • 1...Rac6
        • 2.Rb4#
      • 1...Rh1
        • 2.Rb4#
      • 1...Rhb6
        • 2.Rc1#
      • 1...Rhc6
        • 2.Rb4#
      • 1...Sc6
        • 2.Rc1#
      • 1...dxc4!
  • Keys
    • 1.Qe7!
      • threat
        • 2.Qb4#
        • 2.Qe1#
      • 1...c3
        • 2.Qe1#
      • 1...Rae6
        • 2.Qb4#
      • 1...Ra2
        • 2.Qe1#
      • 1...Ra3
        • 2.Qe1#
      • 1...Ra4
        • 2.Qe1#
      • 1...Rab6
        • 2.Qe1#
      • 1...Rad6
        • 2.Qe1#
      • 1...Rh1
        • 2.Qb4#
      • 1...Rhb6
        • 2.Qe1#
      • 1...Rhd6
        • 2.Qe1#
      • 1...Rhe6
        • 2.Qb4#
      • 1...Sc6
        • 2.Qe1#
      • 1...Se6
        • 2.Qb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 1
  • Sets
    • R(f);SBLOCK::R1(A)
  • Tries
    • Try
      • R(G);XP(c)
      • Threat
        • DUALS(2)
      • Vars
        • R(f);P_PINS(C)::R1(G)
        • R(f);::R1(G)
        • R(f);::R(G)
        • R(g);::R(G)
        • R(g);::R1(G)
        • S(h);::R1(G)
      • Refutation
        • P(e);XR(G)
  • Actual
    • Q(F);
    • Threat
      • DUALS(2)
    • Vars
      • P(c);::QAR(F)
      • R(f);::QAR(F)
      • R(f);P_PINS(C)::QAR(F)
      • R(g);::QAR(F)
      • S(h);::QAR(F)
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