MESON Chess Problem Database
Problem Display
PID: 93523 (1RN5/Rq6/P2P2P1/2P1B3/2P3N1/5p2/2P2K2/7k w - - 0 1)
Hartong, Jan
Niemeijer, Meindert
Probleemcomponisten, 1946
#2
12 + 3
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qe4
- 2.Rh7#
- 1...Qd5
- 2.Rh7#
- 1...Qxa6
- 2.Rh7#
- 2.Rb1#
- 1...Qc6
- 2.Rh7#
- 2.Rb1#
- 1...Qa8
- 2.Rh7#
- 2.Rb1#
- 1...Qxc8
- 2.Rh7#
- 2.Rb1#
- 1...Qb1
- 2.Rh7#
- 2.Rxb1#
- 1...Qb2
- 2.Rh7#
- 1...Qb3
- 2.Rh7#
- 1...Qb4
- 2.Rh7#
- 1...Qb5
- 2.Rh7#
- 1...Qb6
- 2.Rh7#
- 1...Qxa7
- 2.Rb1#
- 1...Qc7
- 2.Rb1#
- 1...Qd7
- 2.Rb1#
- 1...Qe7
- 2.Rb1#
- 1...Qf7
- 2.Rb1#
- 1...Qg7
- 2.Rb1#
- 1...Qh7
- 2.Rxh7#
- 2.Rb1#
- 1...Qxb8
- 2.Rh7#
- 1...Qe4
- Tries
- 1.Kf1?
- threat
- 2.Sf2#
- 1...f2
- 2.Sxf2#
- 1...Qb1+!
- threat
- 1.Sf6?
- 1...Qxa6
- 2.Rh7#
- 2.Rb1#
- 1...Qxc8
- 2.Rb1#
- 1...Qxa7
- 2.Rb1#
- 1...Qxb8
- 2.Rh7#
- 1...Qd5
- 2.Rh7#
- 1...Qc6
- 2.Rh7#
- 2.Rb1#
- 1...Qa8
- 2.Rh7#
- 2.Rb1#
- 1...Qb1
- 2.Rh7#
- 2.Rxb1#
- 1...Qb2
- 2.Rh7#
- 1...Qb3
- 2.Rh7#
- 1...Qb4
- 2.Rh7#
- 1...Qb5
- 2.Rh7#
- 1...Qb6
- 2.Rh7#
- 1...Qc7
- 2.Rb1#
- 1...Qd7
- 2.Rb1#
- 1...Qe7
- 2.Rb1#
- 1...Qf7
- 2.Rb1#
- 1...Qg7
- 2.Rb1#
- 1...Qh7
- 2.Rxh7#
- 2.Rb1#
- 1...Qe4!
- 1...Qxa6
- 1.Se7?
- threat
- 2.Rh8#
- 1...Qxe7
- 2.Rb1#
- 1...Qa8
- 2.Rb1#
- 1...Qc8
- 2.Rb1#
- 1...Qxb8!
- threat
- 1.Bd4?
- 1...Qxa6
- 2.Rh7#
- 2.Rb1#
- 1...Qxc8
- 2.Rh7#
- 2.Rb1#
- 1...Qxa7
- 2.Rb1#
- 1...Qxb8
- 2.Rh7#
- 1...Qe4
- 2.Rh7#
- 1...Qd5
- 2.Rb1#
- 1...Qc6
- 2.Rh7#
- 2.Rb1#
- 1...Qa8
- 2.Rh7#
- 2.Rb1#
- 1...Qb1
- 2.Rh7#
- 2.Rxb1#
- 1...Qb2
- 2.Rh7#
- 1...Qb3
- 2.Rh7#
- 1...Qb4
- 2.Rh7#
- 1...Qb5
- 2.Rh7#
- 1...Qb6
- 2.Rh7#
- 1...Qc7
- 2.Rb1#
- 1...Qd7
- 2.Rb1#
- 1...Qf7
- 2.Rb1#
- 1...Qg7
- 2.Rb1#
- 1...Qh7
- 2.Rxh7#
- 2.Rb1#
- 1...Qe7!
- 1...Qxa6
- 1.c3?
- 1...Qxa6
- 2.Rh7#
- 2.Rb1#
- 1...Qxc8
- 2.Rh7#
- 2.Rb1#
- 1...Qxa7
- 2.Rb1#
- 1...Qxb8
- 2.Rh7#
- 1...Qd5
- 2.Rh7#
- 1...Qe4
- 2.Rh7#
- 1...Qc6
- 2.Rh7#
- 2.Rb1#
- 1...Qa8
- 2.Rh7#
- 2.Rb1#
- 1...Qb1
- 2.Rh7#
- 2.Rxb1#
- 1...Qb3
- 2.Rh7#
- 1...Qb4
- 2.Rh7#
- 1...Qb5
- 2.Rh7#
- 1...Qb6
- 2.Rh7#
- 1...Qc7
- 2.Rb1#
- 1...Qd7
- 2.Rb1#
- 1...Qe7
- 2.Rb1#
- 1...Qf7
- 2.Rb1#
- 1...Qg7
- 2.Rb1#
- 1...Qh7
- 2.Rxh7#
- 2.Rb1#
- 1...Qb2+!
- 1...Qxa6
- 1.Kf1?
- Keys
- 1.Se3!
- 1...Qxa6
- 2.Rh7#
- 2.Rb1#
- 1...Qxc8
- 2.Rb1#
- 1...Qxa7
- 2.Rb1#
- 1...Qxb8
- 2.Rh7#
- 1...Qe4
- 2.Rb1#
- 1...Qd5
- 2.Rh7#
- 1...Qc6
- 2.Rh7#
- 2.Rb1#
- 1...Qa8
- 2.Rh7#
- 2.Rb1#
- 1...Qb1
- 2.Rh7#
- 2.Rxb1#
- 1...Qb2
- 2.Rh7#
- 1...Qb3
- 2.Rh7#
- 1...Qb4
- 2.Rh7#
- 1...Qb5
- 2.Rh7#
- 1...Qb6
- 2.Rh7#
- 1...Qc7
- 2.Rb1#
- 1...Qd7
- 2.Rb1#
- 1...Qe7
- 2.Rb1#
- 1...Qf7
- 2.Rb1#
- 1...Qg7
- 2.Rb1#
- 1...Qh7
- 2.Rxh7#
- 2.Rb1#
- 1...Qxa6
- 1.Se3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(c);OGATE::R(J)
- Q(c);OGATE,P_PINP(A)::R(J)
- Q(c);OGATE,P_PINP(E)::R(J)
- Q(c);OGATE,P_PINP(E),XR(J)::R(K)
- Q(c);OGATE::R(K)
- Q(c);OGATE,XR(K)::R(J)
- Tries
- Try
- K(B);P-FLIGHT
- Threat
- S(D)
- Vars
- P(b);::S(D),XP(b)
- Refutation
- Q(c);CHECK
- Try
- S(D);
- Vars
- Q(c);OGATE,XS(L)::R(K)
- Q(c);OGATE,P_PINP(E),XR(J)::R(K)
- Q(c);OGATE,XR(K)::R(J)
- Q(c);OGATE::R(J)
- Q(c);OGATE,P_PINP(A)::R(J)
- Q(c);OGATE,P_PINP(E)::R(J)
- Q(c);OGATE::R(K)
- Refutation
- Q(c);
- Try
- S(L);
- Threat
- R(K)
- Vars
- Q(c);OGATE,XS(L)::R(K)
- Q(c);OGATE::R(K)
- Refutation
- Q(c);XR(K)
- Try
- B(F);
- Vars
- Q(c);OGATE,XR(J)::R(K)
- Q(c);OGATE,XR(K)::R(J)
- Q(c);OGATE::R(J)
- Q(c);OGATE::R(K)
- Q(c);OGATE,P_PINP(A)::R(J)
- Refutation
- Q(c);
- Try
- P(A);
- Vars
- Q(c);OGATE,P_PINP(E),XR(J)::R(K)
- Q(c);OGATE,XR(K)::R(J)
- Q(c);OGATE::R(J)
- Q(c);OGATE,P_PINP(E)::R(J)
- Q(c);OGATE::R(K)
- Refutation
- Q(c);CHECK
- Try
- Actual
- S(D);
- Vars
- Q(c);OGATE,XS(L)::R(K)
- Q(c);OGATE,XR(J)::R(K)
- Q(c);OGATE,XR(K)::R(J)
- Q(c);OGATE::R(K)
- Q(c);OGATE::R(J)
- Q(c);OGATE,P_PINP(A)::R(J)
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).