MESON Chess Problem Database
Problem Display
PID: 235668 (8/8/8/1K1B4/8/3n4/4Q1pr/6k1 w - - 0 1)
Hoffmann, Fritz
Mat, 1972
#2
3 + 4
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Kh1
- 2.Qf1#
- 1...Rh1
- 2.Qxg2#
- 1...Rh3
- 2.Qxg2#
- 1...Rh4
- 2.Qxg2#
- 1...Rh5
- 2.Qxg2#
- 1...Rh6
- 2.Qxg2#
- 1...Rh7
- 2.Qxg2#
- 1...Rh8
- 2.Qxg2#
- 1...Sc1
- 2.Qe1#
- 1...Se1
- 2.Qxe1#
- 1...Sb2
- 2.Qe1#
- 1...Sf2
- 2.Qe1#
- 1...Sb4
- 2.Qe1#
- 1...Sf4
- 2.Qe1#
- 1...Sc5
- 2.Qe1#
- 1...Se5
- 2.Qe1#
- 1...Kh1
- Tries
- 1.Kb6?
- 1...Kh1
- 2.Qf1#
- 1...Rh3
- 2.Qxg2#
- 1...Rh4
- 2.Qxg2#
- 1...Rh5
- 2.Qxg2#
- 1...Rh7
- 2.Qxg2#
- 1...Rh8
- 2.Qxg2#
- 1...Rh1
- 2.Qxg2#
- 1...Sc1
- 2.Qe1#
- 1...Se1
- 2.Qxe1#
- 1...Sb2
- 2.Qe1#
- 1...Sf2
- 2.Qe1#
- 1...Sb4
- 2.Qe1#
- 1...Sf4
- 2.Qe1#
- 1...Sc5
- 2.Qe1#
- 1...Se5
- 2.Qe1#
- 1...Rh6+!
- 1...Kh1
- 1.Bf3?
- 1...Kh1
- 2.Qf1#
- 1...Rh3
- 2.Qxg2#
- 1...Rh4
- 2.Qxg2#
- 1...Rh6
- 2.Qxg2#
- 1...Rh7
- 2.Qxg2#
- 1...Rh8
- 2.Qxg2#
- 1...Rh1
- 2.Qxg2#
- 1...Sc1
- 2.Qe1#
- 1...Se1
- 2.Qxe1#
- 1...Sb2
- 2.Qe1#
- 1...Sf2
- 2.Qe1#
- 1...Sb4
- 2.Qe1#
- 1...Sf4
- 2.Qe1#
- 1...Sc5
- 2.Qe1#
- 1...Se5
- 2.Qe1#
- 1...Rh5+!
- 1...Kh1
- 1.Be4?
- 1...Kh1
- 2.Qf1#
- 1...Rh3
- 2.Qxg2#
- 1...Rh4
- 2.Qxg2#
- 1...Rh6
- 2.Qxg2#
- 1...Rh7
- 2.Qxg2#
- 1...Rh8
- 2.Qxg2#
- 1...Rh1
- 2.Qxg2#
- 1...Sc1
- 2.Qe1#
- 1...Se1
- 2.Qxe1#
- 1...Sb2
- 2.Qe1#
- 1...Sf2
- 2.Qe1#
- 1...Sb4
- 2.Qe1#
- 1...Sf4
- 2.Qe1#
- 1...Sc5
- 2.Qe1#
- 1...Se5
- 2.Qe1#
- 1...Rh5+!
- 1...Kh1
- 1.Bc6?
- 1...Kh1
- 2.Qf1#
- 1...Rh3
- 2.Qxg2#
- 1...Rh4
- 2.Qxg2#
- 1...Rh6
- 2.Qxg2#
- 1...Rh7
- 2.Qxg2#
- 1...Rh8
- 2.Qxg2#
- 1...Rh1
- 2.Qxg2#
- 1...Sc1
- 2.Qe1#
- 1...Se1
- 2.Qxe1#
- 1...Sb2
- 2.Qe1#
- 1...Sf2
- 2.Qe1#
- 1...Sb4
- 2.Qe1#
- 1...Sf4
- 2.Qe1#
- 1...Sc5
- 2.Qe1#
- 1...Se5
- 2.Qe1#
- 1...Rh5+!
- 1...Kh1
- 1.Bb7?
- 1...Kh1
- 2.Qf1#
- 1...Rh3
- 2.Qxg2#
- 1...Rh4
- 2.Qxg2#
- 1...Rh6
- 2.Qxg2#
- 1...Rh7
- 2.Qxg2#
- 1...Rh8
- 2.Qxg2#
- 1...Rh1
- 2.Qxg2#
- 1...Sc1
- 2.Qe1#
- 1...Se1
- 2.Qxe1#
- 1...Sb2
- 2.Qe1#
- 1...Sf2
- 2.Qe1#
- 1...Sb4
- 2.Qe1#
- 1...Sf4
- 2.Qe1#
- 1...Sc5
- 2.Qe1#
- 1...Se5
- 2.Qe1#
- 1...Rh5+!
- 1...Kh1
- 1.Ba8?
- 1...Kh1
- 2.Qf1#
- 1...Rh3
- 2.Qxg2#
- 1...Rh4
- 2.Qxg2#
- 1...Rh6
- 2.Qxg2#
- 1...Rh7
- 2.Qxg2#
- 1...Rh8
- 2.Qxg2#
- 1...Rh1
- 2.Qxg2#
- 1...Sc1
- 2.Qe1#
- 1...Se1
- 2.Qxe1#
- 1...Sb2
- 2.Qe1#
- 1...Sf2
- 2.Qe1#
- 1...Sb4
- 2.Qe1#
- 1...Sf4
- 2.Qe1#
- 1...Sc5
- 2.Qe1#
- 1...Se5
- 2.Qe1#
- 1...Rh5+!
- 1...Kh1
- 1.Qd1+?
- 1...Se1
- 2.Qxe1#
- 1...Kf2!
- 1...Se1
- 1.Kb6?
- Keys
- 1.Ka5!
- 1...Kh1
- 2.Qf1#
- 1...Rh3
- 2.Qxg2#
- 1...Rh4
- 2.Qxg2#
- 1...Rh5
- 2.Qxg2#
- 1...Rh6
- 2.Qxg2#
- 1...Rh7
- 2.Qxg2#
- 1...Rh8
- 2.Qxg2#
- 1...Rh1
- 2.Qxg2#
- 1...Sc1
- 2.Qe1#
- 1...Se1
- 2.Qxe1#
- 1...Sb2
- 2.Qe1#
- 1...Sf2
- 2.Qe1#
- 1...Sb4
- 2.Qe1#
- 1...Sf4
- 2.Qe1#
- 1...Sc5
- 2.Qe1#
- 1...Se5
- 2.Qe1#
- 1...Kh1
- 1.Ka5!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(a);P-FLIGHT,P_SPINP(b)::QAR2(A)
- R(c);N_GUARD::QAR1(A),XP(b)
- R(c);N_GUARD,P_PINB(C)::QAR1(A),XP(b)
- S(d);N_GUARD::QAR2(A)
- S(d);N_GUARD::QAR2(A),XS(d)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- K(a);P-FLIGHT,P_SPINP(b)::QAR2(A)
- R(c);N_GUARD::QAR1(A),XP(b)
- S(d);N_GUARD::QAR2(A)
- S(d);N_GUARD::QAR2(A),XS(d)
- Refutation
- R(c);CHECK
- Try
- B(C);
- Vars
- K(a);P-FLIGHT,P_SPINP(b)::QAR2(A)
- R(c);N_GUARD::QAR1(A),XP(b)
- S(d);N_GUARD::QAR2(A)
- S(d);N_GUARD::QAR2(A),XS(d)
- Refutation
- R(c);CHECK
- Try
- B(C);
- Vars
- K(a);P-FLIGHT,P_SPINP(b)::QAR2(A)
- R(c);N_GUARD::QAR1(A),XP(b)
- S(d);N_GUARD::QAR2(A)
- S(d);N_GUARD::QAR2(A),XS(d)
- Refutation
- R(c);CHECK
- Try
- B(C);
- Vars
- K(a);P-FLIGHT,P_SPINP(b)::QAR2(A)
- R(c);N_GUARD::QAR1(A),XP(b)
- S(d);N_GUARD::QAR2(A)
- S(d);N_GUARD::QAR2(A),XS(d)
- Refutation
- R(c);CHECK
- Try
- B(C);
- Vars
- K(a);P-FLIGHT,P_SPINP(b)::QAR2(A)
- R(c);N_GUARD::QAR1(A),XP(b)
- S(d);N_GUARD::QAR2(A)
- S(d);N_GUARD::QAR2(A),XS(d)
- Refutation
- R(c);CHECK
- Try
- B(C);
- Vars
- K(a);P-FLIGHT,P_SPINP(b)::QAR2(A)
- R(c);N_GUARD::QAR1(A),XP(b)
- S(d);N_GUARD::QAR2(A)
- S(d);N_GUARD::QAR2(A),XS(d)
- Refutation
- R(c);CHECK
- Try
- Q(A);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAR2(A),XS(d)
- Refutation
- K(a);S_FLIGHT
- Try
- Actual
- K(B);P-FLIGHT
- Vars
- K(a);P-FLIGHT,P_SPINP(b)::QAR2(A)
- R(c);N_GUARD::QAR1(A),XP(b)
- R(c);N_GUARD,P_PINB(C)::QAR1(A),XP(b)
- S(d);N_GUARD::QAR2(A)
- S(d);N_GUARD::QAR2(A),XS(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).