Meson Chess Problem Database

Labai, Zoltan

1st Prize, Slovensky Dennik, 1990

10 + 9

15601	Albrecht-Leiss-Degener Collection	2022

There are these versions: 108748

Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 11
Sets
- K(c);N_GUARD,P_SPINB(f),S_FLIGHT::S(D)
- B(a);SBLOCK::B(C)
- B(f);::S(J)
- B(f);XP(I)::S(J)
- S(d);::B(C)
- S(d);XP(I)::B(C)
- S(g);N_GUARD::QAB(G),XP(h)
Tries
- Try
  - B(C);XS(d)
  - Threat
    - S(J)
  - Vars
    - B(f);OGATE,XP(F)::QAR1(G),XP(e)
  - Refutation
    - S(g);XB(C)
- Try
  - R(A);
  - Threat
    - B(C)
  - Vars
    - K(c);N_GUARD,P_SPINB(f),S_FLIGHT::S(D)
    - S(g);N_GUARD,XR(A)::QAB(G),XP(h)
  - Refutation
    - S(d);XP(F)
- Try
  - R(E);CHECK
  - Vars
    - K(c);N_GUARD,P_SPINB(f),S_FLIGHT::S(D)
  - Refutation
    - P(e);XR(E)
- Try
  - Q(G);CHECK,XS(d)
  - Refutation
    - S(g);XQ(G)
- Try
  - Q(G);CHECK
  - Refutation
    - B(a);XQ(G)
- Try
  - Q(G);
  - Threat
    - B(C)
  - Vars
    - K(c);N_GUARD,P_SPINS(d),S_FLIGHT::S(D)
    - S(d);XP(F)::S(J)
  - Refutation
    - S(g);XQ(G)
- Try
  - Q(G);XB(f)
  - Threat
    - DUALS(2)
  - Vars
    - P(i);::S(J)
  - Refutation
    - P(i);XQ(G)
- Try
  - P(I);
  - Threat
    - DUALS(2)
  - Vars
    - S(d);::B(C)
  - Refutation
    - B(f);CHECK
- Try
  - P(I);
  - Threat
    - DUALS(2)
  - Vars
    - S(d);::B(C)
    - B(f);::S(J)
  - Refutation
    - B(f);CHECK
Actual
- R(A);
- Threat
  - S(D)
- Vars
  - K(c);P_SPINB(f),S_FLIGHT::S(D)
  - B(f);P_SPINB(f),XP(F)::S(J)
  - S(d);P_SPINS(d),XP(F)::B(C)
  - B(f);::S(J)

MESON Chess Problem Database