MESON Chess Problem Database
Problem Display
PID: 196650 (4k3/8/4K3/8/8/8/1R2Q3/br6 w - - 0 1)
Ouellet, Charles
The Problemist Supplement, 2019
#2
3 + 3
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Rb8#
- 1...Rf1
- 2.Rb8#
- 1...Rg1
- 2.Rb8#
- 1...Rh1
- 2.Rb8#
- 1...Re1
- Tries
- 1.Qb5+?
- 1...Kd8
- 2.Qd7#
- 2.Qb8#
- 1...Kf8!
- 1...Kd8
- 1.Qh5+?
- 1...Kf8
- 2.Qf7#
- 2.Qh8#
- 1...Kd8!
- 1...Kf8
- 1.Qh2?
- threat
- 2.Qb8#
- 2.Qh8#
- 1...Kd8
- 2.Qb8#
- 1...Kf8
- 2.Qh8#
- 1...Rxb2
- 2.Qh8#
- 1...Bxb2
- 2.Qb8#
- 1...Rc1
- 2.Qh8#
- 1...Rd1
- 2.Qh8#
- 1...Rf1
- 2.Rb8#
- 2.Qb8#
- 1...Rg1
- 2.Rb8#
- 2.Qb8#
- 1...Rh1
- 2.Rb8#
- 2.Qb8#
- 1...Re1+!
- threat
- 1.Qb5+?
- Keys
- 1.Qe5!
- threat
- 2.Qb8#
- 2.Qh8#
- 1...Kd8
- 2.Qb8#
- 1...Kf8
- 2.Qh8#
- 1...Rxb2
- 2.Qh8#
- 1...Bxb2
- 2.Qb8#
- 1...Rc1
- 2.Qh8#
- 1...Rd1
- 2.Qh8#
- 1...Re1
- 2.Rb8#
- 1...Rf1
- 2.Rb8#
- 2.Qb8#
- 1...Rg1
- 2.Rb8#
- 2.Qb8#
- 1...Rh1
- 2.Rb8#
- 2.Qb8#
- threat
- 1.Qe5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 3
- Sets
- R(b);N_GUARD,P_PINQ(B)::R(A)
- R(b);N_GUARD::R(A)
- Tries
- Try
- Q(B);CHECK
- Refutation
- K(c);P-FLIGHT
- Try
- Q(B);CHECK
- Refutation
- K(c);P-FLIGHT
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- K(c);P-FLIGHT::QAR2(B)
- R(b);XR(A)::QAR(B)
- B(a);XR(A)::QAR(B)
- R(b);::QAR(B)
- Refutation
- R(b);CHECK
- Try
- Actual
- Q(B);
- Threat
- DUALS(2)
- Vars
- K(c);P-FLIGHT::QAR2(B)
- R(b);XR(A)::QAR(B)
- B(a);XR(A)::QAR(B)
- R(b);::QAR(B)
- R(b);N_GUARD,P_PINQ(B)::R(A)
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).