MESON Chess Problem Database

Problem Display
PID: 6375 (1R1r1Q1B/3R1b2/1NP5/p6r/p3P3/Pk6/p2PB2b/n2K4 w - - 0 1)

Schiffmann, Israel Abraham

1st Prize, Brisbane Courier, 1929

1R1r1Q1B/3R1b2/1NP5/p6r/p3P3/Pk6/p2PB2b/n2K4

#2

11 + 9

881 The Australasian Chess Review 1929
35 L'Italia Scacchistica 1930
887 Mate in Two Moves 1931
56 The Problemist 1938
45 Schach 1952
1397 Faszinierendes Schachproblem 1963
3174 The Two-move Chess Problem Tradition and Development 1966
3098 FIDE Album (1914-1944) (I) 1971
102 Probleemblad 1974
56 The Problemist 2005

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Bc4#
    • 1...Rxb8
      • 2.Rd3#
    • 1...Rc8
      • 2.Rd3#
    • 1...Re8
      • 2.Rd3#
    • 1...Rxf8
      • 2.Rd3#
    • 1...Bc4
      • 2.Bxc4#
    • 1...Bd5
      • 2.Qf3#
    • 1...Be6
      • 2.Qf3#
    • 1...Bg6
      • 2.Bc4#
      • 2.Qf3#
    • 1...Be8
      • 2.Bc4#
      • 2.Qf3#
    • 1...Bg8
      • 2.Qf3#
  • Tries
    • 1.Sd5+?
      • 1...Bxb8
        • 2.Rb7#
      • 1...Rxb8!
    • 1.Sc8+?
      • 1...Rb5
        • 2.Rxb5#
      • 1...Bxb8!
    • 1.Qxf7+?
      • 1...Kxa3
        • 2.Sc4#
      • 1...Rd5!
  • Keys
    • 1.Rd5!
      • threat
        • 2.Bc4#
      • 1...Rxh8
        • 2.Rb5#
      • 1...Rxf8
        • 2.Rd3#
      • 1...Bxd5
        • 2.Qf3#
      • 1...Re5
        • 2.Sc8#
      • 1...Rd6
        • 2.Sc4#
      • 1...Be5
        • 2.Rb5#
      • 1...Bd6
        • 2.Rd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 7
  • Sets
    • R(g);P_PINP(B),S_CUTB(h)::B(C)
    • R(i);N_GUARD,XR(I)::R(H)
    • R(i);N_GUARD::R(H)
    • R(i);N_GUARD,XQ(J)::R(H)
    • B(h);N_GUARD::B(C),XB(h)
    • B(h);OGATE::QAR(J)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • B(c);XR(I)::R(H)
      • Refutation
        • R(i);XR(I)
    • Try
      • S(F);CHECK
      • Vars
        • R(g);N_GUARD,P_SPINR(g)::R(I),XR(g)
      • Refutation
        • B(c);XR(I)
    • Try
      • Q(J);CHECK,XB(h)
      • Vars
        • K(d);P-FLIGHT,XP(D)::S(F)
      • Refutation
        • R(g);P_PINP(B),P_SPINR(g)
  • Actual
    • R(H);
    • Threat
      • B(C)
    • Vars
      • R(g);N_GUARD,XB(K)::R(H)
      • R(i);N_GUARD,XQ(J)::R(H)
      • B(h);OGATE,XR(H)::QAR(J)
      • R(g);S_CUTB(c)::R(I)+S(F)
      • R(i);N_GUARD,S_CUTB(c)::R(I)+S(F)
      • B(c);S_CUTR(g)::R(H)
      • B(c);S_CUTR(i)::R(H)
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