Meson Chess Problem Database

Buchner, Richard

Dresdner Volkszeitung, 1926

9 + 9

6490	yacpdb	2018

Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
Sets
- R(i);N_GUARD,XS(I)::R(H),XP(h)
- R(i);N_GUARD::R(H),XP(h)
- B(a);N_GUARD::QAB(B)
- B(a);N_GUARD::QAB(B),XB(a)
- B(a);SBLOCK::QAB1(B)
- P(b);N_GUARD,S_CUTB(a)::P(A)
- P(g);N_GUARD::R(H)
- P(h);SBLOCK::S(I)
Tries
- Try
  - R(H);
  - Threat
    - DUALS(2)
  - Vars
    - R(i);::R1(H)
    - P(h);::S(I)
  - Refutation
    - R(i);XS(I)
- Try
  - R(H);
  - Threat
    - R1(H)
  - Vars
    - R(i);N_GUARD,XS(I)::R(H),XP(h)
    - R(i);N_GUARD::R(H),XP(h)
  - Refutation
    - P(h);
- Try
  - R(H);
  - Vars
    - R(i);N_GUARD,XS(I)::R(H),XP(h)
    - R(i);N_GUARD::R(H),XP(h)
    - B(a);N_GUARD::QAB(B)
    - B(a);N_GUARD::QAB(B),XB(a)
    - B(a);SBLOCK::QAB1(B)
    - P(b);N_GUARD,S_CUTB(a)::P(A)
    - P(h);SBLOCK::S(I)
  - Refutation
    - P(g);
- Try
  - Q(B);CHECK,N_PINB(c)
  - Vars
    - K(e);S_FLIGHT::S(I)
  - Refutation
    - P(d);XQ(B)
- Try
  - P(A);CHECK
  - Vars
    - B(a);SBLOCK,XP(A)::QAB1(B)
  - Refutation
    - P(b);EP,XP(A)
Actual
- R(H);
- Vars
  - R(i);N_GUARD,XS(I)::R(H),XP(h)
  - R(i);N_GUARD::R(H),XP(h)
  - B(a);N_GUARD::QAB(B)
  - B(a);N_GUARD::QAB(B),XB(a)
  - B(a);SBLOCK::QAB1(B)
  - P(b);N_GUARD,S_CUTB(a)::P(A)
  - P(g);OGATE::R(H),XP(g)
  - P(h);SBLOCK::S(I)

MESON Chess Problem Database