MESON Chess Problem Database

Problem Display
PID: 256925 (8/4pRQ1/1p1PP1p1/1PP2Ppb/4N1kr/2P1p1Pr/3PK2n/4B2B w - - 0 1)

Gavrilovski, Zoran

The Macedonian Problemist, 2021

8/4pRQ1/1p1PP1p1/1PP2Ppb/4N1kr/2P1p1Pr/3PK2n/4B2B

#2

14 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Sf1
      • 2.Bf3#
    • 1...Sf3
      • 2.Bxf3#
    • 1...gxf5
      • 2.Qxg5#
  • Tries
    • 1.Qe5?
      • 1...Rxg3
        • 2.Qxg3#
      • 1...exd2
        • 2.Sf2#
      • 1...gxf5
        • 2.Qxf5#
      • 1...exd6
        • 2.Sf6#
      • 1...Sf1
        • 2.Bf3#
      • 1...Sf3
        • 2.Bxf3#
      • 1...bxc5!
    • 1.Qh6?
      • threat
        • 2.Qxg5#
      • 1...Sf3
        • 2.Bxf3#
      • 1...Rxg3!
  • Keys
    • 1.Qd4!
      • 1...Rxg3
        • 2.Sf2#
      • 1...exd2
        • 2.Sxd2#
      • 1...bxc5
        • 2.Sxc5#
      • 1...gxf5
        • 2.Sf6#
      • 1...exd6
        • 2.Sxd6#
      • 1...Sf1
        • 2.Bf3#
      • 1...Sf3
        • 2.Bxf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::B(B)
    • S(a);N_GUARD::B(B),XS(a)
    • P(i);OGATE,P_SPINP(f),XP(J)::QAR1(N),XP(f)
  • Tries
    • Try
      • Q(N);
      • Vars
        • R(c);OGATE,XP(F)::QAR1(N),XR(c)
        • P(b);N_GUARD,XP(C)::S(G)
        • P(i);OGATE,XP(J)::QAB1(N),XP(i)
        • P(j);N_GUARD,XP(K)::S(G)
        • S(a);N_GUARD::B(B)
        • S(a);N_GUARD::B(B),XS(a)
      • Refutation
        • P(h);XP(I)
    • Try
      • Q(N);
      • Threat
        • QAR1(N),XP(f)
      • Vars
        • S(a);N_GUARD::B(B),XS(a)
      • Refutation
        • R(c);XP(F)
  • Actual
    • Q(N);
    • Vars
      • R(c);SBLOCK,XP(F)::QAR(N)+S(G),DCHECK
      • P(b);XP(C)::QAR(N)+S(G),XP(b)
      • P(h);XP(I)::QAR(N)+S(G),XP(h)
      • P(i);SBLOCK,XP(J)::QAR(N)+S(G),DCHECK
      • P(j);XP(K)::QAR(N)+S(G),XP(j)
      • S(a);N_GUARD::B(B)
      • S(a);N_GUARD::B(B),XS(a)
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