MESON Chess Problem Database
Problem Display
PID: 245316 (6BB/3K4/3Np3/1ppk1p2/3nb1P1/2P5/8/4Q3 w - - 0 1)
Onkoud, Abdelaziz
Problem-Forum, 2000
#2
7 + 7
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bb1
- 2.Qe5#
- 1...Bh1
- 2.Qe5#
- 1...Bc2
- 2.Qe5#
- 1...Bg2
- 2.Qe5#
- 1...Bd3
- 2.Qe5#
- 1...Bf3
- 2.Qe5#
- 1...Sc2
- 2.Bxe6#
- 1...Se2
- 2.Bxe6#
- 1...Sb3
- 2.Bxe6#
- 1...Sf3
- 2.Bxe6#
- 1...Sc6
- 2.Bxe6#
- 1...b4
- 2.c4#
- 1...fxg4
- 2.Qxe4#
- 1...f4
- 2.Qxe4#
- 1...Bb1
- Tries
- 1.Bf7?
- 1...fxg4
- 2.Qxe4#
- 1...Bb1
- 2.Qe5#
- 1...Bh1
- 2.Qe5#
- 1...Bc2
- 2.Qe5#
- 1...Bg2
- 2.Qe5#
- 1...Bd3
- 2.Qe5#
- 1...Bf3
- 2.Qe5#
- 1...Sc2
- 2.Bxe6#
- 1...Se2
- 2.Bxe6#
- 1...Sb3
- 2.Bxe6#
- 1...Sf3
- 2.Bxe6#
- 1...Sc6
- 2.Bxe6#
- 1...b4
- 2.c4#
- 1...f4
- 2.Qxe4#
- 1...c4!
- 1...fxg4
- 1.Bf6?
- 1...fxg4
- 2.Qxe4#
- 1...Sc2
- 2.Bxe6#
- 1...Bb1
- 2.Qe5#
- 1...Bh1
- 2.Qe5#
- 1...Bc2
- 2.Qe5#
- 1...Bg2
- 2.Qe5#
- 1...Bd3
- 2.Qe5#
- 1...Bf3
- 2.Qe5#
- 1...Se2
- 2.Bxe6#
- 1...Sb3
- 2.Bxe6#
- 1...Sf3
- 2.Bxe6#
- 1...Sc6
- 2.Bxe6#
- 1...b4
- 2.c4#
- 1...f4
- 2.Qxe4#
- 1...c4!
- 1...fxg4
- 1.Bg7?
- 1...fxg4
- 2.Qxe4#
- 1...Sc2
- 2.Bxe6#
- 1...Bb1
- 2.Qe5#
- 1...Bh1
- 2.Qe5#
- 1...Bc2
- 2.Qe5#
- 1...Bg2
- 2.Qe5#
- 1...Bd3
- 2.Qe5#
- 1...Bf3
- 2.Qe5#
- 1...Se2
- 2.Bxe6#
- 1...Sb3
- 2.Bxe6#
- 1...Sf3
- 2.Bxe6#
- 1...Sc6
- 2.Bxe6#
- 1...b4
- 2.c4#
- 1...f4
- 2.Qxe4#
- 1...c4!
- 1...fxg4
- 1.Qd2?
- threat
- 2.Bxe6#
- 1...c4
- 2.Qxd4#
- 1...Bd3!
- threat
- 1.Qg3?
- threat
- 2.Qe5#
- 1...Sf3
- 2.Bxe6#
- 1...Sc6
- 2.Bxe6#
- 1...f4!
- threat
- 1.Qd1?
- threat
- 2.Bxe6#
- 1...c4
- 2.Qxd4#
- 1...Bd3!
- threat
- 1.Qe2?
- 1...Sxe2
- 2.Bxe6#
- 1...fxg4
- 2.Qxe4#
- 1...Sc2
- 2.Bxe6#
- 1...Bb1
- 2.Qe5#
- 1...Bh1
- 2.Qe5#
- 1...Bc2
- 2.Qe5#
- 1...Bg2
- 2.Qe5#
- 1...Bd3
- 2.Qe5#
- 1...Bf3
- 2.Qe5#
- 1...Sb3
- 2.Bxe6#
- 1...Sf3
- 2.Bxe6#
- 1...Sc6
- 2.Bxe6#
- 1...b4
- 2.Qc4#
- 2.c4#
- 1...f4
- 2.Qxe4#
- 1...c4!
- 1...Sxe2
- 1.gxf5?
- threat
- 2.Qxe4#
- 1...Bxf5
- 2.Qe5#
- 1...Bb1
- 2.Qe5#
- 1...Bh1
- 2.Qe5#
- 1...Bc2
- 2.Qe5#
- 1...Bg2
- 2.Qe5#
- 1...Bd3
- 2.Qe5#
- 1...Bf3
- 2.Qe5#
- 1...Se2
- 2.Bxe6#
- 1...c4!
- threat
- 1.g5?
- 1...Sc2
- 2.Bxe6#
- 1...Bb1
- 2.Qe5#
- 1...Bh1
- 2.Qe5#
- 1...Bc2
- 2.Qe5#
- 1...Bg2
- 2.Qe5#
- 1...Bd3
- 2.Qe5#
- 1...Bf3
- 2.Qe5#
- 1...Se2
- 2.Bxe6#
- 1...Sb3
- 2.Bxe6#
- 1...Sf3
- 2.Bxe6#
- 1...Sc6
- 2.Bxe6#
- 1...b4
- 2.c4#
- 1...f4
- 2.Qxe4#
- 1...c4!
- 1...Sc2
- 1.Bf7?
- Keys
- 1.Qe3!
- 1...fxg4
- 2.Qxe4#
- 1...c4
- 2.Qxd4#
- 1...Sc2
- 2.Bxe6#
- 1...Bb1
- 2.Qe5#
- 1...Bh1
- 2.Qe5#
- 1...Bc2
- 2.Qe5#
- 1...Bg2
- 2.Qe5#
- 1...Bd3
- 2.Qe5#
- 1...Bf3
- 2.Qe5#
- 1...Se2
- 2.Bxe6#
- 1...Sb3
- 2.Bxe6#
- 1...Sf3
- 2.Bxe6#
- 1...Sc6
- 2.Bxe6#
- 1...b4
- 2.c4#
- 1...f4
- 2.Qxe4#
- 1...fxg4
- 1.Qe3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(b);OGATE::QAR1(A)
- S(a);N_GUARD::B(F),XP(g)
- P(c);N_GUARD::P(B)
- P(f);N_GUARD,XP(C)::QAB1(A),XB(b)
- P(f);N_GUARD::QAB1(A),XB(b)
- Tries
- Try
- B(F);
- Vars
- P(f);N_GUARD,XP(C)::QAB1(A),XB(b)
- B(b);OGATE::QAR1(A)
- S(a);N_GUARD::B(F),XP(g)
- P(c);N_GUARD::P(B)
- P(f);N_GUARD::QAB1(A),XB(b)
- Refutation
- P(d);
- Try
- B(G);
- Vars
- P(f);N_GUARD,XP(C)::QAB1(A),XB(b)
- S(a);N_GUARD::B(F),XP(g)
- B(b);OGATE::QAR1(A)
- P(c);N_GUARD::P(B)
- P(f);N_GUARD::QAB1(A),XB(b)
- Refutation
- P(d);
- Try
- B(G);
- Vars
- P(f);N_GUARD,XP(C)::QAB1(A),XB(b)
- S(a);N_GUARD::B(F),XP(g)
- B(b);OGATE::QAR1(A)
- P(c);N_GUARD::P(B)
- P(f);N_GUARD::QAB1(A),XB(b)
- Refutation
- P(d);
- Try
- Q(A);P_PINS(a)
- Threat
- B(F),XP(g)
- Vars
- P(d);N_GUARD::QAR1(A),XS(a)
- Refutation
- B(b);N_SPINS(a)
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- S(a);N_GUARD::B(F),XP(g)
- Refutation
- P(f);
- Try
- Q(A);P_PINS(a)
- Threat
- B(F),XP(g)
- Vars
- P(d);N_GUARD::QAR1(A),XS(a)
- Refutation
- B(b);N_SPINS(a)
- Try
- Q(A);
- Vars
- S(a);N_GUARD,XQ(A)::B(F),XP(g)
- P(f);N_GUARD,XP(C)::QAB1(A),XB(b)
- S(a);N_GUARD::B(F),XP(g)
- B(b);OGATE::QAR1(A)
- P(f);N_GUARD::QAB1(A),XB(b)
- Refutation
- P(d);
- Try
- P(C);XP(f)
- Threat
- QAB1(A),XB(b)
- Vars
- B(b);OGATE,XP(C)::QAR1(A)
- B(b);OGATE::QAR1(A)
- S(a);N_GUARD::B(F),XP(g)
- Refutation
- P(d);
- Try
- P(C);
- Vars
- S(a);N_GUARD::B(F),XP(g)
- B(b);OGATE::QAR1(A)
- P(c);N_GUARD::P(B)
- P(f);N_GUARD::QAB1(A),XB(b)
- Refutation
- P(d);
- Try
- Actual
- Q(A);
- Vars
- P(f);N_GUARD,XP(C)::QAB1(A),XB(b)
- P(d);N_GUARD::QAR1(A),XS(a)
- S(a);N_GUARD::B(F),XP(g)
- B(b);OGATE::QAR1(A)
- P(c);N_GUARD::P(B)
- P(f);N_GUARD::QAB1(A),XB(b)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).