MESON Chess Problem Database
Problem Display
PID: 19459 (7k/2p1N2p/2p4K/2Qb4/3P4/8/8/8 w - - 0 1)
Groeneveld, Cornelis
Caissa, 1953
#2
4 + 5
| 3310 | 2345 Chess Problems | 1997 |
| 5454 | Near Snap | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bh1
- 2.Qe5#
- 1...Ba2
- 2.Qe5#
- 1...Bg2
- 2.Qe5#
- 1...Bb3
- 2.Qe5#
- 1...Bf3
- 2.Qe5#
- 1...Bc4
- 2.Qe5#
- 1...Be4
- 2.Qe5#
- 1...Be6
- 2.Qe5#
- 1...Bf7
- 2.Qe5#
- 1...Bg8
- 2.Qe5#
- 1...Bh1
- Tries
- 1.Sg6+?
- 1...Kg8
- 2.Qf8#
- 1...hxg6!
- 1...Kg8
- 1.Qd6?
- threat
- 2.Qe5#
- 2.Qf6#
- 1...Be6
- 2.Qe5#
- 1...cxd6!
- threat
- 1.Qa5?
- 1...Ba2
- 2.Qe5#
- 1...Bh1
- 2.Qe5#
- 2.Qa8#
- 1...Bg2
- 2.Qe5#
- 2.Qa8#
- 1...Bb3
- 2.Qe5#
- 1...Bf3
- 2.Qe5#
- 2.Qa8#
- 1...Bc4
- 2.Qe5#
- 1...Be4
- 2.Qe5#
- 2.Qa8#
- 1...Be6
- 2.Qe5#
- 1...Bf7
- 2.Qe5#
- 1...Bg8
- 2.Qe5#
- 1...c5!
- 1...Ba2
- 1.Sg6+?
- Keys
- 1.Qc3!
- 1...Ba2
- 2.d5#
- 1...Bh1
- 2.d5#
- 1...Bg2
- 2.d5#
- 1...Bb3
- 2.d5#
- 1...Bf3
- 2.d5#
- 1...Bc4
- 2.d5#
- 1...Be4
- 2.d5#
- 1...Be6
- 2.d5#
- 1...Bf7
- 2.d5#
- 1...Bg8
- 2.d5#
- 1...c5
- 2.dxc5#
- 1...Ba2
- 1.Qc3!
This anticipates 234869(2002)
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 10
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(a);OGATE::QAB(B)
- Tries
- Try
- S(D);CHECK
- Vars
- K(e);P-FLIGHT::QAR1(B)
- Refutation
- P(d);XS(D)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- B(a);::QAB(B)
- Refutation
- P(c);XQ(B)
- Try
- Q(B);
- Vars
- B(a);OGATE::QAB(B)
- Refutation
- P(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).