MESON Chess Problem Database
Problem Display
PID: 8111 (8/4p2N/4B3/2P1k1N1/1P5P/4p3/P2nK3/7Q w - - 0 1)
Hahnel, Peter
Rochade Europa, 1995
#2
9 + 4
SOLUTION
- SOUND
- Sets
- 1...Kd4
- 2.Qa1#
- 1...Kf4
- 2.Qh2#
- 1...Sb1
- 2.Qe4#
- 1...Sf1
- 2.Qe4#
- 1...Sb3
- 2.Qe4#
- 1...Sc4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Kd4
- Tries
- 1.Kd3?
- threat
- 2.Qh2#
- 1...Kf4
- 2.Qh2#
- 1...Sf1
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sf3!
- threat
- 1.Qf3?
- 1...Kd4
- 2.Qxe3#
- 1...Sb1
- 2.Qe4#
- 2.Qxe3#
- 1...Sf1
- 2.Qe4#
- 1...Sb3
- 2.Qe4#
- 2.Qxe3#
- 1...Sc4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sxf3!
- 1...Kd4
- 1.Qc6?
- 1...Kf4
- 2.Qc7#
- 1...Sf3
- 2.Qe4#
- 1...Sb1
- 2.Qe4#
- 1...Sf1
- 2.Qe4#
- 1...Sb3
- 2.Qe4#
- 1...Sc4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Kd4!
- 1...Kf4
- 1.Qb7?
- 1...Kf4
- 2.Qc7#
- 2.Qb8#
- 1...Sf3
- 2.Qe4#
- 1...Sb1
- 2.Qe4#
- 1...Sf1
- 2.Qe4#
- 1...Sb3
- 2.Qe4#
- 1...Sc4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Kd4!
- 1...Kf4
- 1.a3?
- 1...Kd4
- 2.Qa1#
- 1...Kf4
- 2.Qh2#
- 1...Sb1
- 2.Qe4#
- 1...Sf1
- 2.Qe4#
- 1...Sb3
- 2.Qe4#
- 1...Sc4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sf3!
- 1...Kd4
- 1.a4?
- 1...Kd4
- 2.Qa1#
- 1...Kf4
- 2.Qh2#
- 1...Sb1
- 2.Qe4#
- 1...Sf1
- 2.Qe4#
- 1...Sb3
- 2.Qe4#
- 1...Sc4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sf3!
- 1...Kd4
- 1.h5?
- 1...Kd4
- 2.Qa1#
- 1...Kf4
- 2.Qh2#
- 1...Sb1
- 2.Qe4#
- 1...Sf1
- 2.Qe4#
- 1...Sb3
- 2.Qe4#
- 1...Sc4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sf3!
- 1...Kd4
- 1.Kd3?
- Keys
- 1.Qa8!
- 1...Kd4
- 2.Qh8#
- 1...Kf4
- 2.Qb8#
- 1...Sf3
- 2.Qe4#
- 1...Sb1
- 2.Qe4#
- 1...Sf1
- 2.Qe4#
- 1...Sb3
- 2.Qe4#
- 1...Sc4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Kd4
- 1.Qa8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(c);S_FLIGHT::QAB(A)
- S(a);N_GUARD::QAR1(A)
- S(a);N_GUARD::QAR1(A),XS(a)
- Tries
- Try
- K(C);S_FLIGHT
- Threat
- QAB(A)
- Vars
- K(c);S_FLIGHT::QAB(A)
- S(a);N_GUARD::QAR1(A)
- S(a);N_GUARD::QAR1(A),XS(a)
- Refutation
- S(a);
- Try
- Q(A);
- Vars
- K(c);S_FLIGHT::QAB1(A),XP(b)
- S(a);N_GUARD::QAR1(A)
- S(a);N_GUARD::QAR1(A),XS(a)
- Refutation
- S(a);XQ(A)
- Try
- Q(A);
- Vars
- K(c);S_FLIGHT::QAB(A)
- S(a);N_GUARD::QAR1(A)
- S(a);N_GUARD::QAR1(A),XS(a)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(A);
- Vars
- S(a);N_GUARD::QAR1(A)
- S(a);N_GUARD::QAR1(A),XS(a)
- Refutation
- K(c);S_FLIGHT
- Try
- P(B);
- Vars
- K(c);S_FLIGHT::QAB(A)
- S(a);N_GUARD::QAR1(A)
- S(a);N_GUARD::QAR1(A),XS(a)
- Refutation
- S(a);
- Try
- P(B);
- Vars
- K(c);S_FLIGHT::QAB(A)
- S(a);N_GUARD::QAR1(A)
- S(a);N_GUARD::QAR1(A),XS(a)
- Refutation
- S(a);
- Try
- P(E);
- Vars
- K(c);S_FLIGHT::QAB(A)
- S(a);N_GUARD::QAR1(A)
- S(a);N_GUARD::QAR1(A),XS(a)
- Refutation
- S(a);
- Try
- Actual
- Q(A);
- Vars
- K(c);S_FLIGHT::QAB(A)
- S(a);N_GUARD::QAR1(A)
- S(a);N_GUARD::QAR1(A),XS(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).