MESON Chess Problem Database
Problem Display
PID: 274796 (8/8/8/8/8/4p3/kPKn4/2Q5 w - - 0 1)
Rotenberg, Jacques
The Hopper, 2022
#2
3 + 3
SOLUTION
- SOUND
- Sets
- 1...Sb1
- 2.Qxb1#
- 1...Sf1
- 2.Qb1#
- 1...Sb3
- 2.Qb1#
- 1...Sf3
- 2.Qb1#
- 1...Sc4
- 2.Qb1#
- 1...Se4
- 2.Qb1#
- 1...Sb1
- Tries
- 1.Qxd2?
- threat
- 2.Qa5#
- 1...Ka1
- 2.Qa5#
- 1...exd2!
- threat
- 1.Qd1?
- 1...Sb1
- 2.Qxb1#
- 1...Sf1
- 2.Qb1#
- 1...Sb3
- 2.Qb1#
- 1...Sf3
- 2.Qb1#
- 1...Sc4
- 2.Qb1#
- 1...Se4
- 2.Qb1#
- 1...e2!
- 1...Sb1
- 1.Qe1?
- 1...Sb1
- 2.Qxb1#
- 1...Sf1
- 2.Qa5#
- 2.Qb1#
- 1...Sb3
- 2.Qb1#
- 1...Sf3
- 2.Qa5#
- 2.Qb1#
- 1...Sc4
- 2.Qb1#
- 1...Se4
- 2.Qa5#
- 2.Qb1#
- 1...e2!
- 1...Sb1
- 1.Qg1?
- 1...Sb1
- 2.Qxb1#
- 1...e2
- 2.Qa7#
- 1...Sb3
- 2.Qb1#
- 1...Sf3
- 2.Qb1#
- 1...Sc4
- 2.Qb1#
- 1...Se4
- 2.Qb1#
- 1...Sf1!
- 1...Sb1
- 1.Qxd2?
- Keys
- 1.Qh1!
- threat
- 2.Qa8#
- 1...Sb1
- 2.Qxb1#
- 1...Sb3
- 2.Qb1#
- 1...Sf3
- 2.Qb1#
- 1...Sc4
- 2.Qb1#
- 1...Se4
- 2.Qb1#
- threat
- 1.Qh1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- S(b);N_GUARD::QAB1(A),XS(b)
- S(b);N_GUARD::QAB1(A)
- Tries
- Try
- Q(A);XS(b)
- Threat
- QAR(A)
- Vars
- K(a);P-FLIGHT::QAR(A)
- Refutation
- P(c);XQ(A)
- Try
- Q(A);
- Vars
- S(b);N_GUARD::QAB1(A),XS(b)
- S(b);N_GUARD::QAB1(A)
- Refutation
- P(c);
- Try
- Q(A);
- Vars
- S(b);N_GUARD::QAB1(A),XS(b)
- S(b);N_GUARD::QAB1(A)
- Refutation
- P(c);
- Try
- Q(A);
- Vars
- S(b);N_GUARD::QAB1(A),XS(b)
- P(c);OGATE::QAR(A)
- S(b);N_GUARD::QAB1(A)
- Refutation
- S(b);
- Try
- Actual
- Q(A);
- Threat
- QAR(A)
- Vars
- S(b);N_GUARD::QAB1(A),XS(b)
- S(b);N_GUARD::QAB1(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).