Meson Chess Problem Database

Janevski, Zivko

Die Schwalbe, 2013

10 + 9

Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 2
Sets
- K(e);P_SPINB(b),S_FLIGHT::QAB1(D)
- B(b);N_GUARD::QAR2(D)
- B(b);N_GUARD::QAR2(D),XB(b)
- P(f);SBLOCK::S(B)
Tries
- Try
  - S(B);CHECK
  - Refutation
    - P(d);XS(B)
- Try
  - S(F);CHECK
  - Refutation
    - P(i);XS(F)
- Try
  - B(J);
  - Threat
    - DUALS(2)
  - Vars
    - B(b);XS(F)::S(B)
    - P(f);::S(B)
  - Refutation
    - P(h);XB(J)
- Try
  - B(J);CHECK
  - Refutation
    - K(e);P_SPINP(g),S_FLIGHT,XB(J)
- Try
  - R(A);XB(b)
  - Threat
    - QAR2(D)
  - Vars
    - P(f);SBLOCK::S(B)
  - Refutation
    - R(a);CHECK
- Try
  - R(H);CHECK
  - Refutation
    - P(g);XR(H)
- Try
  - R(H);CHECK,XP(g)
  - Refutation
    - P(i);XR(H)
- Try
  - Q(D);
  - Threat
    - S(B)
  - Vars
    - K(e);P_SPINB(b),S_FLIGHT::QAB(D)+S(B)
  - Refutation
    - B(b);
- Try
  - Q(D);CHECK,XP(c)
  - Refutation
    - B(b);XQ(D)
Actual
- Q(D);
- Threat
  - S(F)
- Vars
  - K(e);P_SPINB(b),S_FLIGHT::QAR(D)+S(F)
  - B(b);OGATE,XS(F)::QAB1(D),XB(b)
  - P(f);SBLOCK::S(B)

MESON Chess Problem Database