Meson Chess Problem Database

Dombrovskis, Alfreds A

2nd Prize, Sachove umeni (Ceskoslovensky sach), 1987

11 + 7

3297	FIDE Album (1986-1988)	1995

Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 11
Sets
- R(f);OGATE::B(K),XP(e)
- B(g);SBLOCK,XP(E)::S(I)
- S(a);N_GUARD::QAR1(A),XP(b)
- P(e);SBLOCK::S(F)
Tries
- Try
  - B(H);XP(b)
  - Threat
    - S(F)
  - Vars
    - R(f);OGATE,XS(F)::B(K),XP(e)
    - B(g);SBLOCK,XP(E)::S(I)
    - S(a);OGATE,P_SPINS(a),XB(H)::QAR1(A),XS(a)
  - Refutation
    - R(f);XS(I)
- Try
  - B(K);XR(f)
  - Threat
    - B(K),XP(e)
  - Vars
    - S(a);N_GUARD::QAR1(A),XP(b)
  - Refutation
    - B(d);XB(K)
- Try
  - Q(A);CHECK,N_PINP(b),XS(a)
  - Refutation
    - B(d);XQ(A)
- Try
  - P(J);
  - Threat
    - S(I)
  - Vars
    - R(f);OGATE,XS(I)::B(K),XP(e)
    - R(f);OGATE::B(K),XP(e)
    - P(e);SBLOCK::S(F)
  - Refutation
    - R(f);XS(F)
- Try
  - P(J);
  - Threat
    - S(I)
  - Vars
    - R(f);OGATE,XS(I)::B(K),XP(e)
    - R(f);OGATE::B(K),XP(e)
    - P(e);SBLOCK::S(F)
  - Refutation
    - R(f);XS(F)
Actual
- R(D);XP(e)
- Threat
  - R1(D)
- Vars
  - K(c);N_SPINP(b),P_SPINR(f),S_FLIGHT,XR(D)::QAB1(A)
  - R(f);XS(F)::S(I)
  - R(f);XS(I)::S(F)
  - B(g);OGATE,XP(E)::R1(D),XB(g)

MESON Chess Problem Database