Meson Chess Problem Database

Oosterholt, Cornelis Johannes

Tijdschrift vd NSB, 1911

9 + 4

6490	yacpdb	2022

Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 0
Sets
- S(c);N_GUARD::QAR2(G),XP(a)
- P(a);::P(C)
Tries
- Try
  - K(D);P-FLIGHT
  - Vars
    - S(c);N_GUARD::QAR2(G),XP(a)
    - P(a);::P(C)
  - Refutation
    - K(b);P_SPINP(a),S_FLIGHT
- Try
  - B(A);
  - Vars
    - S(c);N_GUARD::QAR2(G),XP(a)
    - P(a);::P(C)
  - Refutation
    - K(b);P_SPINP(a),S_FLIGHT
- Try
  - B(A);
  - Vars
    - S(c);N_GUARD::QAR2(G),XP(a)
    - P(a);::P(C)
  - Refutation
    - K(b);P_SPINP(a),S_FLIGHT
- Try
  - B(A);
  - Vars
    - S(c);N_GUARD::QAR2(G),XP(a)
    - P(a);::P(C)
  - Refutation
    - K(b);P_SPINP(a),S_FLIGHT
- Try
  - B(A);
  - Vars
    - S(c);N_GUARD::QAR2(G),XP(a)
    - P(a);::P(C)
  - Refutation
    - K(b);P_SPINP(a),S_FLIGHT
- Try
  - Q(G);
  - Threat
    - QAR1(G)
  - Refutation
    - P(d);XQ(G)
- Try
  - Q(G);XS(c)
  - Threat
    - QAR1(G)
  - Refutation
    - K(b);S_FLIGHT,XP(H)
- Try
  - P(B);CHECK
  - Vars
    - P(a);XP(B)::P(C)
  - Refutation
    - K(b);P_SPINP(a),S_FLIGHT,XP(B)
- Try
  - P(C);
  - Vars
    - P(a);::P(C)
    - S(c);N_GUARD::QAR2(G),XP(a)
  - Refutation
    - K(b);P_SPINP(a),S_FLIGHT
- Try
  - P(E);
  - Vars
    - P(a);::P(C)
    - S(c);N_GUARD::QAR2(G),XP(a)
  - Refutation
    - K(b);P_SPINP(a),S_FLIGHT
Actual
- P(B);
- Vars
  - K(b);N_GUARD,P_SPINP(a),S_FLIGHT::QAB(G)
  - K(b);N_GUARD,P-FLIGHT,S_CUTP(a)::B(A)+P(B)
  - S(c);N_GUARD,XP(H)::QAR2(G),XP(a)
  - P(a);N_GUARD::P(B)
  - S(c);N_GUARD::QAR2(G),XP(a)

MESON Chess Problem Database