Meson Chess Problem Database

Fleck, Ferenc

1st HM., Il Problema, 1933

12 + 8

Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 15
Sets
- Q(f);N_GUARD::QAR1(B),XS(b)
- Q(f);N_GUARD,P_PINP(D)::QAR1(B),XS(b)
- Q(f);N_GUARD,XB(L)::QAR1(B),XS(b)
- B(e);S_CUTQ(f)::S(G)
- S(b);N_GUARD::QAB(B)
- S(b);N_GUARD::QAB(B),XS(b)
- S(g);S_CUTQ(f)::S(J)
- P(c);N_GUARD::S(G)
- P(h);N_GUARD,S_CUTQ(f)::S(J)
Tries
- Try
  - S(G);
  - Threat
    - QAB1(B)
  - Vars
    - Q(f);N_GUARD::QAR1(B),XS(b)
  - Refutation
    - B(e);XP(E)
- Try
  - S(G);XP(c)
  - Threat
    - QAB1(B)
  - Vars
    - Q(f);N_GUARD::QAR1(B),XS(b)
  - Refutation
    - B(e);XP(E)
- Try
  - S(G);CHECK
  - Vars
    - Q(f);XS(G)::QAR1(B),XS(b)
  - Refutation
    - K(a);P-FLIGHT,P_SPINB(e),XP(F)
- Try
  - S(J);CHECK
  - Vars
    - Q(f);XS(J)::QAR1(B),XS(b)
  - Refutation
    - K(a);P-FLIGHT,P_SPINS(g),XP(F)
- Try
  - S(J);CHECK
  - Vars
    - Q(f);XS(J)::QAR1(B),XS(b)
  - Refutation
    - P(h);XS(J)
- Try
  - B(L);CHECK
  - Vars
    - S(b);XB(L)::QAB(B)
  - Refutation
    - S(g);XB(L)
- Try
  - P(C);XS(b)
  - Threat
    - QAR1(B)
  - Vars
    - S(g);N_GUARD,XS(G)::B(L)
    - S(g);N_GUARD::B(L),XS(g)
  - Refutation
    - Q(f);XP(C)
Actual
- B(L);
- Threat
  - B(L)+S(G),DCHECK
- Vars
  - S(g);OGATE,P_SPINS(g),XS(G)::B(L),XS(g)
  - Q(f);N_GUARD::QAR1(B),XS(b)
  - B(e);::S(G)
  - S(b);N_GUARD::QAB(B)
  - S(g);S_CUTQ(f)::S(J)
  - P(h);N_GUARD,S_CUTQ(f)::S(J)

MESON Chess Problem Database