MESON Chess Problem Database

Problem Display
PID: 193419 (7Q/5pKp/n4B2/rRq2k1N/p5pn/4R3/b4r2/8 w - - 0 1)

Rice, William Bayard

Pittsburgh Gazette-Times, 1914

7Q/5pKp/n4B2/rRq2k1N/p5pn/4R3/b4r2/8

#2

6 + 11

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Qd5
      • 2.Qc8#
    • 1...Qe5
      • 2.Rexe5#
    • 1...Rf4
      • 2.Sg3#
    • 1...Bb1
      • 2.Qc8#
    • 1...Bd5
      • 2.Re5#
    • 1...Sg2
      • 2.Qxh7#
    • 1...Sf3
      • 2.Qxh7#
  • Tries
    • 1.Bxh4?
      • threat
        • 2.Qxh7#
      • 1...Qe5+
        • 2.Rexe5#
      • 1...h6
        • 2.Qh7#
      • 1...g3!
    • 1.Rxc5+?
      • 1...Bd5
        • 2.Re5#
        • 2.Qc8#
      • 1...Sxc5
        • 2.Re5#
      • 1...Rxc5!
    • 1.Qe8?
      • threat
        • 2.Qe4#
      • 1...Qe5
        • 2.Rexe5#
        • 2.Qxe5#
      • 1...Rf4
        • 2.Sg3#
      • 1...Bb1
        • 2.Qd7#
        • 2.Qc8#
      • 1...Bd5
        • 2.Re5#
        • 2.Qe5#
      • 1...Be6!
  • Keys
    • 1.Qa8!
      • threat
        • 2.Qe4#
      • 1...Qe5
        • 2.Rexe5#
      • 1...Qd5
        • 2.Qc8#
      • 1...Rf4
        • 2.Sg3#
      • 1...Bb1
        • 2.Qc8#
      • 1...Bd5
        • 2.Re5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • Q(g);S_CUTB(a)::QAB(F)
    • Q(g);N_GUARD,P_PINB(D)::R1(A),XQ(g)
    • R(b);SBLOCK::S(C)
    • B(a);N_GUARD::QAB(F)
    • B(a);N_SPINQ(g),S_CUTQ(g)::R1(A)
    • S(e);N_GUARD::QAB(F),XP(k)
  • Tries
    • Try
      • B(D);XS(e)
      • Threat
        • QAB(F),XP(k)
      • Vars
        • Q(g);CHECK,N_GUARD::R1(A),XQ(g)
        • P(k);::QAB(F)
      • Refutation
        • P(d);
    • Try
      • R(B);CHECK,XQ(g)
      • Vars
        • S(i);XR(B)::R1(A)
      • Refutation
        • R(f);XR(B)
    • Try
      • Q(F);
      • Threat
        • QAB1(F)
      • Vars
        • R(b);SBLOCK::S(C)
      • Refutation
        • B(a);
  • Actual
    • Q(F);
    • Threat
      • QAB1(F)
    • Vars
      • Q(g);N_GUARD,P_PINB(D)::R1(A),XQ(g)
      • Q(g);S_CUTB(a)::QAB(F)
      • R(b);SBLOCK::S(C)
      • B(a);N_GUARD::QAB(F)
      • B(a);N_SPINQ(g),S_CUTQ(g)::R1(A)
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