MESON Chess Problem Database

Problem Display
PID: 11291 (n4r1q/pBN1r3/Pk3b1R/p3Q1Rb/4N1n1/8/8/K7 w - - 0 1)

Chicco, Adriano

1st Prize, Tidskrift for Schack, 1937

n4r1q/pBN1r3/Pk3b1R/p3Q1Rb/4N1n1/8/8/K7

#2

8 + 10

3098 FIDE Album (1914-1944) (I) 1971
4901 Best Problems 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc7
      • 2.Qb2#
    • 1...Be8
      • 2.Sxa8#
    • 1...Sxc7
      • 2.Qd4#
  • Tries
    • 1.Rxf6+?
      • 1...Re6
        • 2.Rxe6#
        • 2.Qxa5#
        • 2.Qc5#
      • 1...Rxf6
        • 2.Qxa5#
        • 2.Qc5#
      • 1...Sxf6
        • 2.Qd6#
        • 2.Qxa5#
        • 2.Qc5#
      • 1...Qxf6!
  • Keys
    • 1.Qc3!
      • threat
        • 2.Rb5#
      • 1...Rxc7
        • 2.Qb2#
      • 1...Sxc7
        • 2.Qd4#
      • 1...Re5
        • 2.Qc6#
      • 1...Be8
        • 2.Sxa8#
      • 1...Se5
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(g);SBLOCK,XS(H)::QAR(C)
    • B(c);S_CUTR(i)::S(H),XS(h)
    • S(h);SBLOCK,XS(H)::QAB(C)
  • Tries
    • Try
      • R(F);CHECK,N_SPINQ(C),XB(e)
      • Refutation
        • Q(j);P_PINQ(C),XR(F)
  • Actual
    • Q(C);
    • Threat
      • R1(D)
    • Vars
      • R(g);SBLOCK,XS(H)::QAR(C)
      • S(h);SBLOCK,XS(H)::QAB(C)
      • R(g);N_PINQ(C)::QAR1(C)
      • B(c);S_CUTR(i)::S(H),XS(h)
      • S(a);N_PINQ(C)::QAB1(C)
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