Meson Chess Problem Database

Vetesnik, Ladislav

Tijdschrift vd NSB, 1906

11 + 6

3438	Sachovy odkaz Ladislava Vetesnika/II	2001

Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
Sets
- K(c);N_SPINP(a),OGATEB,S_FLIGHT,XS(G)::QAB(A)
- R(f);SBLOCK::S(G)
Tries
- Try
  - K(J);S_FLIGHT
  - Threat
    - DUALS(3)
  - Vars
    - R(f);XS(G)::P(B)
    - P(a);OGATEB::QAR2(A),XP(a)
  - Refutation
    - R(f);CHECK
- Try
  - S(G);XB(b)
  - Threat
    - DUALS(2)
  - Vars
    - P(a);OGATEB::QAR2(A),XP(a)
    - R(f);::P(B)
  - Refutation
    - P(d);XS(G)
- Try
  - S(G);CHECK,XP(d)
  - Refutation
    - B(b);XS(G)
- Try
  - Q(A);CHECK,XP(a)
  - Vars
    - K(c);OGATE,S_FLIGHT::QAR1(A)
  - Refutation
    - K(c);P-FLIGHT,XQ(A)
- Try
  - P(B);CHECK
  - Vars
    - K(c);N_SPINP(a),S_FLIGHT,XS(G)::QAR2(A)
  - Refutation
    - K(c);N_SPINP(a),S_FLIGHT
- Try
  - P(K);CHECK
  - Vars
    - R(f);P_SPINR(f)::S(G)
  - Refutation
    - R(f);CHECK,XQ(K)
- Try
  - P(K);CHECK
  - Vars
    - R(f);P_SPINR(f)::S(G)
  - Refutation
    - R(f);CHECK,XB(K)
Actual
- P(F);
- Threat
  - S(G)
- Vars
  - K(c);N_SPINP(a),OGATEB,S_FLIGHT,XS(G)::QAB(A)
  - R(f);SBLOCK,XS(G)::P(B)
  - B(b);N_GUARD,N_SPINP(a),XQ(A)::S(G),XP(d)
  - P(a);OGATEB::QAR2(A),XP(a)

MESON Chess Problem Database