MESON Chess Problem Database
Problem Display
PID: 262462 (2n5/1N5p/n7/3pp2B/1ppNkpK1/1p6/b2QP3/6B1 w - - 0 1)
Onkoud, Abdelaziz
Europe Echecs, 1995
#2
7 + 11
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Sc5
- 2.Sxc5#
- 1...Sc7
- 2.Sc5#
- 1...Sb8
- 2.Sc5#
- 1...Sb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sa7
- 2.Sd6#
- 1...Se7
- 2.Sd6#
- 1...b2
- 2.Qc2#
- 1...c3
- 2.Qd3#
- 1...f3
- 2.Qe3#
- 2.exf3#
- 1...exd4
- 2.Qxf4#
- 2.Qxd4#
- 1...h6
- 2.Bg6#
- 1...Sc5
- Tries
- 1.Kh3?
- threat
- 2.Bf3#
- 1...f3
- 2.Bxf3#
- 2.Qe3#
- 2.exf3#
- 1...exd4!
- threat
- 1.Kh4?
- threat
- 2.Bf3#
- 1...f3
- 2.Bxf3#
- 2.Qe3#
- 2.exf3#
- 1...exd4!
- threat
- 1.Kg5?
- threat
- 2.Bf3#
- 1...exd4
- 2.Qxf4#
- 2.Qxd4#
- 1...f3
- 2.Bxf3#
- 2.Qe3#
- 2.exf3#
- 1...h6+!
- threat
- 1.Sf3?
- threat
- 2.Sg5#
- 1...h6
- 2.Bg6#
- 1...d4!
- threat
- 1.Se6?
- threat
- 2.Sg5#
- 1...h6
- 2.Bg6#
- 1...d4!
- threat
- 1.Bf2?
- 1...exd4
- 2.Qxf4#
- 2.Qxd4#
- 1...Sc5
- 2.Sxc5#
- 1...Sc7
- 2.Sc5#
- 1...Sb8
- 2.Sc5#
- 1...Sb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sa7
- 2.Sd6#
- 1...Se7
- 2.Sd6#
- 1...b2
- 2.Qc2#
- 1...c3
- 2.Qd3#
- 1...f3
- 2.Qe3#
- 2.exf3#
- 1...h6
- 2.Bg6#
- 1...Bb1!
- 1...exd4
- 1.Qc1?
- 1...exd4
- 2.Qxf4#
- 1...Bb1
- 2.Qxb1#
- 1...Sc5
- 2.Sxc5#
- 1...Sc7
- 2.Sc5#
- 1...Sb8
- 2.Sc5#
- 1...Sb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sa7
- 2.Sd6#
- 1...Se7
- 2.Sd6#
- 1...b2
- 2.Qc2#
- 1...f3
- 2.Qe3#
- 1...h6
- 2.Bg6#
- 1...c3!
- 1...exd4
- 1.Qc3?
- threat
- 2.Qf3#
- 1...exd4
- 2.Qxd4#
- 1...f3
- 2.Qe3#
- 2.Qxf3#
- 2.exf3#
- 1...bxc3!
- threat
- 1.Kh3?
- Keys
- 1.Qd1!
- 1...exd4
- 2.Qxd4#
- 1...Bb1
- 2.Qxb1#
- 1...Sc5
- 2.Sxc5#
- 1...Sc7
- 2.Sc5#
- 1...Sb8
- 2.Sc5#
- 1...Sb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sa7
- 2.Sd6#
- 1...Se7
- 2.Sd6#
- 1...b2
- 2.Qc2#
- 1...c3
- 2.Qd3#
- 1...f3
- 2.exf3#
- 1...h6
- 2.Bg6#
- 1...exd4
- 1.Qd1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- S(i);N_GUARD::S(G),XS(i)
- S(i);N_GUARD::S(G)
- S(k);N_GUARD::S(G)
- S(k);N_GUARD::S(G),XS(k)
- P(b);N_GUARD::QAB(B)
- P(d);N_GUARD::QAB1(B)
- P(j);N_GUARD::B(F)
- Tries
- Try
- K(E);S_FLIGHT
- Threat
- B(F)
- Refutation
- P(h);XS(D)
- Try
- K(E);P-FLIGHT
- Threat
- B(F)
- Refutation
- P(h);XS(D)
- Try
- K(E);P-FLIGHT
- Threat
- B(F)
- Refutation
- P(j);CHECK
- Try
- S(D);
- Threat
- S(D)
- Vars
- P(j);N_GUARD::B(F)
- Refutation
- P(g);
- Try
- S(D);
- Threat
- S(D)
- Vars
- P(j);N_GUARD::B(F)
- Refutation
- P(g);
- Try
- B(A);
- Vars
- S(i);N_GUARD::S(G),XS(i)
- S(i);N_GUARD::S(G)
- S(k);N_GUARD::S(G)
- S(k);N_GUARD::S(G),XS(k)
- P(b);N_GUARD::QAB(B)
- P(d);N_GUARD::QAB1(B)
- P(j);N_GUARD::B(F)
- Refutation
- B(a);
- Try
- Q(B);
- Vars
- P(h);N_GUARD,XS(D)::QAR1(B),XP(f)
- B(a);N_GUARD::QAB(B),XB(a)
- S(i);N_GUARD::S(G),XS(i)
- S(i);N_GUARD::S(G)
- S(k);N_GUARD::S(G)
- S(k);N_GUARD::S(G),XS(k)
- P(b);N_GUARD::QAB(B)
- P(f);N_GUARD::QAR1(B)
- P(j);N_GUARD::B(F)
- Refutation
- P(d);
- Try
- Q(B);
- Threat
- QAB1(B)
- Vars
- P(h);OGATE,XS(D)::QAR1(B),XP(h)
- Refutation
- P(c);XQ(B)
- Try
- Actual
- Q(B);
- Vars
- P(h);OGATE,XS(D)::QAR1(B),XP(h)
- B(a);N_GUARD::QAB(B),XB(a)
- S(i);N_GUARD::S(G),XS(i)
- S(i);N_GUARD::S(G)
- S(k);N_GUARD::S(G)
- S(k);N_GUARD::S(G),XS(k)
- P(b);N_GUARD::QAB(B)
- P(d);N_GUARD::QAB1(B)
- P(f);OGATE::P(C),XP(f)
- P(j);N_GUARD::B(F)
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