MESON Chess Problem Database
Problem Display
PID: 234869 (k7/P3p3/PP2K1p1/6p1/5bQ1/5P2/8/8 w - - 0 1)
Groeneveld, Cornelis
Skakbladet, 2002
#2
6 + 5
| 5454 | Near Snap | 2021 |
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bc1
- 2.Qe4#
- 1...Bd2
- 2.Qe4#
- 1...Bh2
- 2.Qe4#
- 1...Be3
- 2.Qe4#
- 1...Bg3
- 2.Qe4#
- 1...Be5
- 2.Qe4#
- 1...Bd6
- 2.Qe4#
- 1...Bc7
- 2.Qe4#
- 1...Bb8
- 2.Qe4#
- 1...Bc1
- Tries
- 1.Kxe7?
- 1...Bc1
- 2.Qc8#
- 2.Qe4#
- 1...Bd2
- 2.Qc8#
- 2.Qe4#
- 1...Bh2
- 2.Qe4#
- 1...Be3
- 2.Qc8#
- 2.Qe4#
- 1...Bg3
- 2.Qe4#
- 1...Be5
- 2.Qe4#
- 1...Bc7
- 2.Qe4#
- 1...Bb8
- 2.Qe4#
- 1...Bd6+!
- 1...Bc1
- 1.Kf7?
- 1...Bc1
- 2.Qc8#
- 2.Qe4#
- 1...Bd2
- 2.Qc8#
- 2.Qe4#
- 1...Bh2
- 2.Qe4#
- 1...Be3
- 2.Qc8#
- 2.Qe4#
- 1...Bg3
- 2.Qe4#
- 1...Be5
- 2.Qe4#
- 1...Bd6
- 2.Qe4#
- 1...Bc7
- 2.Qe4#
- 1...Bb8
- 2.Qe4#
- 1...e5
- 2.Qc8#
- 1...e6!
- 1...Bc1
- 1.Qf5?
- threat
- 2.Qe4#
- 2.Qd5#
- 1...Be5
- 2.Qe4#
- 1...gxf5!
- threat
- 1.Kxe7?
- Keys
- 1.Qg2!
- 1...Bh2
- 2.f4#
- 1...Bc1
- 2.f4#
- 1...Bd2
- 2.f4#
- 1...Be3
- 2.f4#
- 1...Bg3
- 2.f4#
- 1...Be5
- 2.f4#
- 1...Bd6
- 2.f4#
- 1...Bc7
- 2.f4#
- 1...Bb8
- 2.f4#
- 1...g4
- 2.fxg4#
- 1...Bh2
- 1.Qg2!
Anticipated by 19459(1953)
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 9
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(a);OGATE::QAB(B)
- Tries
- Try
- K(E);P-FLIGHT,XP(d)
- Vars
- B(a);OGATE::QAB(B)
- Refutation
- B(a);CHECK
- Try
- K(E);S_FLIGHT
- Vars
- B(a);OGATE::QAB(B)
- P(d);S_CUTB(a)::QAR2(B)
- Refutation
- P(d);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- B(a);::QAB(B)
- Refutation
- P(c);XQ(B)
- Try
- Actual
- Q(B);
- Vars
- B(a);OGATE::QAB(B)+P(A)
- P(b);OGATE::QAB(B)+P(A),XP(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).