Meson Chess Problem Database

Mlynka, Karol

Hlas l'udu, 1991

10 + 13

6490	yacpdb	2009

Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 8
Sets
- R(d);N_GUARD::S(H),XR(d)
- R(d);S_CUTB(b)::R(F)
- B(b);N_GUARD::R(F)
- B(b);S_CUTR(d)::S(H)
- B(b);N_GUARD::R(F),XB(b)
- B(m);XP(I)::S(H),XB(m)
- P(g);N_GUARD::R(E)
Tries
- Try
  - S(C);
  - Threat
    - DUALS(2)
  - Vars
    - R(d);XS(C)::R(F)
    - B(b);XS(C)::S(H)
  - Refutation
    - P(c);
- Try
  - R(E);
  - Threat
    - DUALS(2)
  - Vars
    - P(c);::QAR1(B)
    - P(h);::QAR1(B)
  - Refutation
    - P(c);XR(E)
- Try
  - R(E);
  - Threat
    - QAR1(B)
  - Vars
    - K(e);N_SPINS(i),P-FLIGHT::B(D)+R(E),DCHECK
    - K(e);N_SPINS(i),P-FLIGHT::B(D)+R(E),DCHECK,XP(c)
    - P(k);SBLOCK::QAB1(B)
  - Refutation
    - R(d);
- Try
  - R(F);
  - Threat
    - DUALS(2)
  - Vars
    - P(c);::QAR1(B)
    - B(b);::QAR1(B)
    - B(b);P_PINQ(B),S_CUTR(d)::S(H)
    - P(h);::QAR1(B)
  - Refutation
    - P(c);XR(F)
- Try
  - Q(B);CHECK
  - Refutation
    - P(g);XQ(B)
- Try
  - Q(B);CHECK
  - Refutation
    - R(d);XQ(B)
Actual
- Q(B);
- Threat
  - QAB(B)+R(E),DCHECK
- Vars
  - K(e);N_SPINS(i),S_FLIGHT::QAB(B)+R(E),DCHECK
  - S(a);N_SPINS(i),OGATE,P_SPINS(a),XR(E)::QAB(B),XS(a)
  - P(c);::QAB(B)+R(E),DCHECK,XP(c)
  - P(h);::QAB(B)+R(E),DCHECK,XP(h)

MESON Chess Problem Database