MESON Chess Problem Database

Problem Display
PID: 283169 (3B4/3pp3/1Rrk2bR/3P1p1q/r2PPpP1/p1P5/2KN4/8 w - - 0 1)

Garzon Roger, Jose Antonio

Zaragoza-65 JT (Problemas), 2025

3B4/3pp3/1Rrk2bR/3P1p1q/r2PPpP1/p1P5/2KN4/8

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Sxc4#
    • 1...Ra5
      • 2.Sc4#
    • 1...Ra6
      • 2.Sc4#
    • 1...Ra7
      • 2.Sc4#
    • 1...Ra8
      • 2.Sc4#
  • Keys
    • 1.c4!
      • threat
        • 2.c5#
        • 2.e5#
      • 1...Rxc4+
        • 2.Sxc4#
      • 1...fxe4
        • 2.Sxe4#
      • 1...fxg4
        • 2.c5#
      • 1...Ra5
        • 2.e5#
      • 1...e5
        • 2.c5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • R(b);N_GUARD::S(B),XR(b)
    • R(b);N_GUARD::S(B)
  • Actual
    • P(C);
    • Threat
      • DUALS(2)
    • Vars
      • R(b);CHECK,XP(C)::S(B),XR(b)
      • P(d);XP(E)::S(B),XP(d)
      • P(d);XP(F)::P(C)
      • R(b);::P(E)
      • P(j);::P(C)
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