MESON Chess Problem Database
Problem Display
PID: 248240 (8/8/8/2Q5/3R4/1P6/1k1NK3/8 w - - 0 1)
de Blasio, Francis JC
Sjakk-Nytt, 1947
#2
5 + 1
| 15601 | Albrecht-Leiss-Degener Collection | 2021 |
| 3713 | Snap | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Ka1
- 2.Qa3#
- 1...Ka1
- Tries
- 1.Kd1?
- 1...Ka1
- 2.Qa3#
- 1...Ka2!
- 1...Ka1
- 1.Ke1?
- 1...Ka1
- 2.Qa3#
- 1...Ka2!
- 1...Ka1
- 1.Kf1?
- 1...Ka1
- 2.Qa3#
- 1...Ka2!
- 1...Ka1
- 1.Kf2?
- 1...Ka1
- 2.Qa3#
- 1...Ka2!
- 1...Ka1
- 1.Kd3?
- 1...Ka1
- 2.Qa3#
- 1...Ka2!
- 1...Ka1
- 1.Ke3?
- 1...Ka1
- 2.Qa3#
- 1...Ka2!
- 1...Ka1
- 1.Kf3?
- 1...Ka1
- 2.Qa3#
- 1...Ka2!
- 1...Ka1
- 1.Rd3?
- 1...Ka1
- 2.Qa3#
- 1...Ka2!
- 1...Ka1
- 1.Rc4?
- 1...Ka1
- 2.Qa3#
- 1...Ka2!
- 1...Ka1
- 1.Re4?
- 1...Ka1
- 2.Qa3#
- 1...Ka2!
- 1...Ka1
- 1.Rf4?
- 1...Ka1
- 2.Qa3#
- 1...Ka2!
- 1...Ka1
- 1.Rg4?
- 1...Ka1
- 2.Qa3#
- 1...Ka2!
- 1...Ka1
- 1.Rh4?
- 1...Ka1
- 2.Qa3#
- 1...Ka2!
- 1...Ka1
- 1.Rd5?
- 1...Ka1
- 2.Qa3#
- 1...Ka2!
- 1...Ka1
- 1.Rd6?
- 1...Ka1
- 2.Qa3#
- 1...Ka2!
- 1...Ka1
- 1.Rd7?
- 1...Ka1
- 2.Qa3#
- 1...Ka2!
- 1...Ka1
- 1.Rd8?
- 1...Ka1
- 2.Qa3#
- 1...Ka2!
- 1...Ka1
- 1.Qa3+?
- 1...Kc2
- 2.Rc4#
- 1...Kc3
- 2.Rc4#
- 1...Kxa3!
- 1...Kc2
- 1.Qc1+?
- 1...Ka2
- 2.Ra4#
- 1...Kxc1!
- 1...Ka2
- 1.Qc2+?
- 1...Ka1
- 2.Ra4#
- 2.Qb1#
- 1...Ka3
- 2.Sb1#
- 2.Ra4#
- 1...Kxc2!
- 1...Ka1
- 1.Qc3+?
- 1...Ka2
- 2.Ra4#
- 1...Ka3
- 2.Ra4#
- 2.Qa1#
- 1...Kxc3!
- 1...Ka2
- 1.Qa5?
- 1...Kc1
- 2.Qc3#
- 1...Kc2!
- 1...Kc1
- 1.Kd1?
- Keys
- 1.Qe5!
- 1...Ka1
- 2.Ra4#
- 1...Kc1
- 2.Rc4#
- 1...Ka2
- 2.Ra4#
- 1...Kc2
- 2.Rc4#
- 1...Ka3
- 2.Ra4#
- 1...Kc3
- 2.Rc4#
- 1...Ka1
- 1.Qe5!
Anticipated by 22515(1881)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- K(a);S_FLIGHT::QAR2(E)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- K(a);S_FLIGHT::QAR2(E)
- Refutation
- K(a);P-FLIGHT
- Try
- K(B);P-FLIGHT
- Vars
- K(a);S_FLIGHT::QAR2(E)
- Refutation
- K(a);P-FLIGHT
- Try
- K(B);S_FLIGHT
- Vars
- K(a);S_FLIGHT::QAR2(E)
- Refutation
- K(a);P-FLIGHT
- Try
- K(B);P-FLIGHT
- Vars
- K(a);S_FLIGHT::QAR2(E)
- Refutation
- K(a);P-FLIGHT
- Try
- K(B);S_FLIGHT
- Vars
- K(a);S_FLIGHT::QAR2(E)
- Refutation
- K(a);P-FLIGHT
- Try
- K(B);P-FLIGHT
- Vars
- K(a);S_FLIGHT::QAR2(E)
- Refutation
- K(a);P-FLIGHT
- Try
- K(B);S_FLIGHT
- Vars
- K(a);S_FLIGHT::QAR2(E)
- Refutation
- K(a);P-FLIGHT
- Try
- R(D);
- Vars
- K(a);S_FLIGHT::QAR2(E)
- Refutation
- K(a);P-FLIGHT
- Try
- R(D);
- Vars
- K(a);S_FLIGHT::QAR2(E)
- Refutation
- K(a);P-FLIGHT
- Try
- R(D);
- Vars
- K(a);S_FLIGHT::QAR2(E)
- Refutation
- K(a);P-FLIGHT
- Try
- R(D);
- Vars
- K(a);S_FLIGHT::QAR2(E)
- Refutation
- K(a);P-FLIGHT
- Try
- R(D);
- Vars
- K(a);S_FLIGHT::QAR2(E)
- Refutation
- K(a);P-FLIGHT
- Try
- R(D);
- Vars
- K(a);S_FLIGHT::QAR2(E)
- Refutation
- K(a);P-FLIGHT
- Try
- R(D);
- Vars
- K(a);S_FLIGHT::QAR2(E)
- Refutation
- K(a);P-FLIGHT
- Try
- R(D);
- Vars
- K(a);S_FLIGHT::QAR2(E)
- Refutation
- K(a);P-FLIGHT
- Try
- R(D);
- Vars
- K(a);S_FLIGHT::QAR2(E)
- Refutation
- K(a);P-FLIGHT
- Try
- R(D);
- Vars
- K(a);S_FLIGHT::QAR2(E)
- Refutation
- K(a);P-FLIGHT
- Try
- Q(E);CHECK
- Vars
- K(a);P-FLIGHT::R(D)
- K(a);S_FLIGHT::R1(D)
- Refutation
- K(a);S_FLIGHT,XQ(E)
- Try
- Q(E);CHECK
- Vars
- K(a);P-FLIGHT::R(D)
- Refutation
- K(a);S_FLIGHT,XQ(E)
- Try
- Q(E);CHECK
- Refutation
- K(a);P-FLIGHT,XQ(E)
- Try
- Q(E);CHECK
- Vars
- K(a);P-FLIGHT::R(D)
- Refutation
- K(a);S_FLIGHT,XQ(E)
- Try
- Q(E);
- Vars
- K(a);S_FLIGHT::QAR2(E)
- Refutation
- K(a);P-FLIGHT
- Try
- Actual
- Q(E);
- Vars
- K(a);S_FLIGHT::QAB(E)+R(D),DCHECK
- K(a);S_FLIGHT::R(D)
- K(a);P-FLIGHT::R(D)
- K(a);S_FLIGHT::R1(D)
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).