MESON Chess Problem Database

Problem Display
PID: 9700 (Q7/6N1/Kp4B1/3pp1n1/3k1r2/p1R4R/4rn2/B6q w - - 0 1)

Marble, Murray

1st Prize, La Strategie, 1908-1909

Q7/6N1/Kp4B1/3pp1n1/3k1r2/p1R4R/4rn2/B6q

#2

7 + 10

15 British Chess Magazine 1910
16 Chess Amateur (The) 1910
887 Mate in Two Moves 1931
5089 The Enjoyment of Chess Problems 1943
5064 100 Years of the American Two-move Chess Problem 1962
5063 Spectacular Chess Problems 1965
5066 Classic Chess Problems by Pioneer Composers 1970
721 Variantim 1988
1085 Australian Chess Problem Magazine 1995
56 The Problemist 2004
23 Die Schwalbe 2010
133 The Problemist Supplement 2012
14868 Pirnie Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Qg2
      • 2.Rc2#
    • 1...Qe4
      • 2.Rc2#
    • 1...Qh2
      • 2.Rc2#
    • 1...Re1
      • 2.Rc1#
    • 1...Ree4
      • 2.Rc1#
    • 1...Rfe4
      • 2.Sf5#
    • 1...Sd1
      • 2.Rhd3#
    • 1...Sd3
      • 2.Rhxd3#
    • 1...Sfe4
      • 2.Rhd3#
    • 1...Sg4
      • 2.Rhd3#
    • 1...Sf3
      • 2.Se6#
    • 1...Sxh3
      • 2.Se6#
    • 1...Sge4
      • 2.Se6#
    • 1...Se6
      • 2.Sxe6#
    • 1...Sf7
      • 2.Se6#
    • 1...Sh7
      • 2.Se6#
    • 1...b5
      • 2.Qa7#
  • Tries
    • 1.Sf5+?
      • 1...Ke4
        • 2.Rc4#
      • 1...Rxf5!
    • 1.Qxd5+?
      • 1...Qxd5
        • 2.Rc2#
      • 1...Kxd5!
    • 1.Qc6?
      • threat
        • 2.Rcd3#
        • 2.Rc4#
        • 2.Qa4#
        • 2.Qxb6#
      • 1...Qxa1
        • 2.Qa4#
        • 2.Qxb6#
      • 1...Qxh3
        • 2.Rd3#
        • 2.Qa4#
        • 2.Qxb6#
      • 1...Sfxh3
        • 2.Rd3#
        • 2.Qa4#
        • 2.Qxb6#
      • 1...Sgxh3
        • 2.Se6#
        • 2.Rd3#
        • 2.Qa4#
        • 2.Qxb6#
      • 1...Rf5
        • 2.Rc4#
        • 2.Qa4#
      • 1...e4
        • 2.Rcd3#
        • 2.Rc4#
      • 1...Qf3
        • 2.Rd3#
        • 2.Qa4#
        • 2.Qxb6#
      • 1...Qb1
        • 2.Rcd3#
        • 2.Rc4#
      • 1...Qd1
        • 2.Rcd3#
        • 2.Rc4#
        • 2.Qxb6#
      • 1...Rf3
        • 2.Rd3#
        • 2.Qa4#
        • 2.Qxb6#
      • 1...Rf6
        • 2.Rcd3#
        • 2.Rc4#
        • 2.Qa4#
      • 1...Sd3
        • 2.Rcxd3#
        • 2.Rc4#
        • 2.Rhxd3#
      • 1...Sfe4
        • 2.Rcd3#
        • 2.Rc4#
        • 2.Rhd3#
        • 2.Qa4#
      • 1...Sf3
        • 2.Se6#
        • 2.Rd3#
        • 2.Qa4#
        • 2.Qxb6#
      • 1...Sge4
        • 2.Se6#
        • 2.Rcd3#
        • 2.Rc4#
        • 2.Qa4#
      • 1...Se6
        • 2.Sxe6#
        • 2.Rcd3#
        • 2.Rc4#
        • 2.Qa4#
      • 1...b5
        • 2.Rcd3#
        • 2.Rc4#
        • 2.Qc5#
        • 2.Qb6#
      • 1...Rb2!
  • Keys
    • 1.Be4!
      • threat
        • 2.Qxd5#
      • 1...Kxe4
        • 2.Rc4#
      • 1...Qxe4
        • 2.Rc2#
      • 1...Rexe4
        • 2.Rc1#
      • 1...Rfxe4
        • 2.Sf5#
      • 1...Sfxe4
        • 2.Rhd3#
      • 1...Sgxe4
        • 2.Se6#
      • 1...dxe4
        • 2.Qd8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 12
  • Sets
    • Q(a);N_GUARD::B(A)+R(B)
    • R(b);N_GUARD::B(A)+R(B)
    • R(f);N_GUARD,SBLOCK::S(F)
    • S(c);N_GUARD::R1(C)
    • S(c);N_GUARD::R1(C),XS(c)
    • S(i);N_GUARD::S(F)
    • S(i);N_GUARD,XR(C)::S(F)
    • S(i);N_GUARD::S(F),XS(i)
    • P(j);OGATEB::QAB(G)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(e);P-FLIGHT,P_SPINP(g)::R(B)
      • Refutation
        • R(f);XS(F)
    • Try
      • Q(G);CHECK,XP(g)
      • Vars
        • Q(a);SBLOCK,XQ(G)::B(A)+R(B)
      • Refutation
        • K(e);P-FLIGHT,XQ(G)
    • Try
      • Q(G);
      • Threat
        • DUALS(4)
      • Refutation
        • R(b);
  • Actual
    • B(E);
    • Threat
      • QAR1(G),XP(g)
    • Vars
      • K(e);P-FLIGHT,P_SPINP(g),XB(E)::R(B)
      • Q(a);N_GUARD,SBLOCK,XB(E)::B(A)+R(B)
      • R(b);N_GUARD,SBLOCK,XB(E)::B(A)+R(B)
      • R(f);N_GUARD,SBLOCK,XB(E)::S(F)
      • S(c);N_GUARD,SBLOCK,XB(E)::R1(C)
      • S(i);N_GUARD,SBLOCK,XB(E)::S(F)
      • P(g);OGATEB,SBLOCK,XB(E)::QAR(G)
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