MESON Chess Problem Database

Problem Display
PID: 256921 (2R4Q/1P3P2/5R2/3Br3/1pNkP3/1K5P/3PP3/3N4 w - - 0 1)

Gavrilovski, Zoran

The Macedonian Problemist, 2021

2R4Q/1P3P2/5R2/3Br3/1pNkP3/1K5P/3PP3/3N4

#2

13 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Rf5
      • 2.Rxf5#
    • 1...Re6
      • 2.Rxe6#
    • 1...Re7
      • 2.Re6#
  • Tries
    • 1.Sde3?
      • threat
        • 2.Sc2#
      • 1...Rxe4
        • 2.Rf4#
      • 1...Rxd5!
    • 1.Qh4?
      • threat
        • 2.Qf2#
      • 1...Rxe4
        • 2.Qxe4#
      • 1...Rxd5
        • 2.e5#
      • 1...Rf5!
    • 1.Qd8?
      • threat
        • 2.Qb6#
      • 1...Rxe4
        • 2.Be6#
      • 1...Rxd5
        • 2.Qxd5#
      • 1...Re6!
  • Keys
    • 1.Sc3!
      • threat
        • 2.Sb5#
      • 1...Rxe4
        • 2.Rf4#
      • 1...Rxd5
        • 2.Rd6#
      • 1...bxc3
        • 2.dxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • R(c);OGATEB::QAB(M)+R(I),XR(c)
    • R(c);OGATEB::QAB(M)+R(I)
  • Tries
    • Try
      • S(A);
      • Threat
        • S(A)
      • Vars
        • R(c);OGATEB,XP(G)::QAB(M)+R(I)
      • Refutation
        • R(c);XB(H)
    • Try
      • Q(M);
      • Threat
        • QAB(M)
      • Vars
        • R(c);OGATE,P_SPINR(c),XP(G)::QAR1(M),XR(c)
        • R(c);OGATE,SBLOCK,XB(H)::QAR(M)+P(G)
      • Refutation
        • R(c);
    • Try
      • Q(M);
      • Threat
        • QAB(M)
      • Vars
        • R(c);N_GUARD,SBLOCK,XP(G)::QAR(M)+B(H)
        • R(c);OGATE,P_SPINR(c),XB(H)::QAR1(M),XR(c)
      • Refutation
        • R(c);
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • R(c);OGATEB,XP(G)::QAB(M)+R(I)
      • R(c);OGATEB,XB(H)::QAB(M)+R(I)
      • P(a);OGATE,XS(A)::P(B),XP(a)
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