Meson Chess Problem Database

Dehler, Ernst Georg

Magyar Sakkujsag, 1912

2 + 3

6490	yacpdb	2009
15148	Sadier Collection	2014

Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 2
Sets
- P(a);OGATEB::QAR(B),XQ(a)
- P(a);OGATEB::QAR(B),XS(a)
- P(a);OGATEB::QAR(B),XB(a)
- P(a);OGATEB::QAR(B),XR(a)
Tries
- Try
  - Q(B);P_PINP(a)
  - Threat
    - QAR(B),XP(a)
  - Vars
    - K(c);P-FLIGHT::QAR2(B),XP(a)
    - K(c);P-FLIGHT::QAR(B),XP(a)
  - Refutation
    - P(b);
- Try
  - Q(B);CHECK
  - Refutation
    - K(c);P-FLIGHT
- Try
  - Q(B);
  - Threat
    - DUALS(2)
  - Vars
    - K(c);P-FLIGHT::QAR2(B),XP(a)
    - P(a);::QAR2(B)
  - Refutation
    - P(b);
- Try
  - Q(B);
  - Threat
    - DUALS(2)
  - Vars
    - K(c);P-FLIGHT::QAR2(B),XP(a)
    - K(c);P-FLIGHT::QAR(B),XP(a)
    - P(a);::QAR2(B)
  - Refutation
    - P(b);
- Try
  - Q(B);
  - Threat
    - QAR(B)
  - Vars
    - K(c);P-FLIGHT::QAR2(B)
    - P(b);OGATE::QAR2(B)
  - Refutation
    - K(c);P-FLIGHT
Actual
- Q(B);
- Threat
  - QAR(B),XP(a)
- Vars
  - K(c);P-FLIGHT::QAR2(B),XP(a)
  - K(c);P-FLIGHT::QAR(B),XP(a)
  - P(b);N_GUARD::QAR2(B)
  - P(a);OGATEB::QAR(B),XQ(a)
  - P(a);OGATEB::QAR(B),XR(a)

MESON Chess Problem Database