MESON Chess Problem Database

Problem Display
PID: 2546 (3r4/5n2/2Q5/1R6/3k4/8/3K4/8 w - - 0 1)

Marin y Llovet, Valentin

La Strategie, 1895

3r4/5n2/2Q5/1R6/3k4/8/3K4/8

#2

3 + 3

3757 Schachminiaturen I 1902
119 Tidskrift for Schack 1909
5501 Chess Cameos 1936
3295 Einfuhrung in die Welt des Schachproblem 1984
5454 Near Snap 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Qxd5#
    • 1...Ra8
      • 2.Qd5#
    • 1...Rb8
      • 2.Qd5#
    • 1...Rc8
      • 2.Qd5#
    • 1...Re8
      • 2.Qd5#
    • 1...Rf8
      • 2.Qd5#
    • 1...Rg8
      • 2.Qd5#
    • 1...Rh8
      • 2.Qd5#
    • 1...Sd6
      • 2.Qd5#
  • Tries
    • 1.Ra5?
      • threat
        • 2.Qa4#
      • 1...Rd5
        • 2.Qxd5#
      • 1...Rb8
        • 2.Qd5#
      • 1...Rc8
        • 2.Qd5#
      • 1...Sd6
        • 2.Qd5#
      • 1...Se5!
    • 1.Qf3?
      • threat
        • 2.Qg4#
        • 2.Qd3#
        • 2.Qf4#
      • 1...Rd5
        • 2.Qxd5#
        • 2.Qf4#
      • 1...Se5
        • 2.Qf4#
      • 1...Re8
        • 2.Qd5#
        • 2.Qd3#
      • 1...Rg8
        • 2.Qd5#
        • 2.Qd3#
        • 2.Qf4#
      • 1...Sg5
        • 2.Qd3#
      • 1...Sd6
        • 2.Qd5#
        • 2.Qd3#
      • 1...Sh6
        • 2.Qd3#
        • 2.Qf4#
      • 1...Kc4+!
  • Keys
    • 1.Rf5!
      • threat
        • 2.Qa4#
      • 1...Rd5
        • 2.Qxd5#
      • 1...Ra8
        • 2.Qd5#
      • 1...Rb8
        • 2.Qd5#
      • 1...Rc8
        • 2.Qd5#
      • 1...Se5
        • 2.Rf4#
      • 1...Sd6
        • 2.Qd5#

This anticipates 58937(1997)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • R(c);N_GUARD::QAR1(C),XR(c)
    • R(c);N_GUARD::QAR1(C)
    • S(b);S_CUTR(c)::QAR1(C)
  • Tries
    • Try
      • R(B);
      • Threat
        • QAR(C)
      • Vars
        • R(c);N_GUARD::QAR1(C),XR(c)
        • R(c);N_GUARD::QAR1(C)
        • S(b);S_CUTR(c)::QAR1(C)
      • Refutation
        • S(b);
    • Try
      • Q(C);
      • Threat
        • DUALS(3)
      • Vars
        • S(b);::QAR2(C)
        • S(b);::QAR1(C)
      • Refutation
        • K(a);CHECK,P-FLIGHT
  • Actual
    • R(B);
    • Threat
      • QAR(C)
    • Vars
      • R(c);N_GUARD::QAR1(C),XR(c)
      • R(c);N_GUARD::QAR1(C)
      • S(b);SBLOCK::R(B)
      • S(b);S_CUTR(c)::QAR1(C)
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