Meson Chess Problem Database

Leroy, Dominique

Het Belgisch Schaakbord (L'Echiquier Belge), 1996

8 + 13

15601	Albrecht-Leiss-Degener Collection	2021

Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 10
Sets
- R(b);N_GUARD::S(B),XP(c)
- R(b);N_GUARD,P_PINS(D)::S(B),XP(c)
- S(i);::R1(F),XP(g)
- P(g);N_GUARD::S(D),XR(d)
- P(k);::R1(F),XP(g)
Tries
- Try
  - S(B);XP(j)
  - Threat
    - R1(F),XP(g)
  - Vars
    - R(d);SBLOCK::QAB1(A)
  - Refutation
    - Q(m);P_PINR(F)
- Try
  - S(B);CHECK
  - Refutation
    - B(l);XS(B)
- Try
  - B(C);XS(i)
  - Threat
    - R1(F),XP(g)
  - Vars
    - Q(m);N_GUARD,P_PINR(F)::B(C),XQ(m)
  - Refutation
    - R(d);
- Try
  - B(G);
  - Threat
    - S(D)
  - Vars
    - S(i);XB(G)::R1(F),XP(g)
    - R(b);N_GUARD,P_PINS(D)::S(B),XP(c)
    - R(b);N_GUARD::S(B),XP(c)
  - Refutation
    - B(l);
- Try
  - R(H);CHECK
  - Vars
    - S(i);P_SPINS(i)::R1(F),XP(g)
  - Refutation
    - Q(m);CHECK,XR(H)
Actual
- S(B);
- Threat
  - QAB1(A)
- Vars
  - K(h);N_SPINP(e),P-FLIGHT,P_SPINP(k)::QAR1(A),XS(i)
  - K(h);N_SPINP(e),P_SPINP(k),P_SPINS(i),S_FLIGHT::QAB1(A),XS(i)
  - S(i);XS(B)::R1(F),XP(g)
  - P(k);XS(B)::S(D)
  - Q(m);SBLOCK::R1(F),XP(g)
  - B(l);SBLOCK::S(D)
  - S(i);::R1(F),XP(g)

MESON Chess Problem Database