MESON Chess Problem Database
Problem Display
PID: 116872 (8/7Q/4P3/2Pk4/q4pBp/P2N1P1P/2R5/5K2 w - - 0 1)
Kaiser, Gerhard
Schach, 1966
#2
10 + 4
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kd4
- 2.Qe4#
- 1...Kc6
- 2.Qd7#
- 1...Qxc2
- 2.Qe4#
- 1...Qb3
- 2.Qe4#
- 2.Qd7#
- 1...Qb5
- 2.Qe4#
- 1...Qc6
- 2.Qe4#
- 1...Qd7
- 2.Qe4#
- 2.Qxd7#
- 1...Qe8
- 2.Qe4#
- 1...Qxa3
- 2.Qe4#
- 2.Qd7#
- 1...Qb4
- 2.Qd7#
- 1...Qc4
- 2.Qd7#
- 1...Qd4
- 2.Qb7#
- 2.Qd7#
- 1...Qe4
- 2.Qxe4#
- 2.Qd7#
- 1...Qa5
- 2.Qe4#
- 2.Qd7#
- 1...Qa6
- 2.Qe4#
- 1...Qa7
- 2.Qe4#
- 1...Qa8
- 2.Qe4#
- 2.Qd7#
- 1...Kd4
- Tries
- 1.Kg1?
- 1...Kd4
- 2.Qe4#
- 1...Kc6
- 2.Qd7#
- 1...Qxc2
- 2.Qe4#
- 1...Qxa3
- 2.Qe4#
- 2.Qd7#
- 1...Qb3
- 2.Qe4#
- 2.Qd7#
- 1...Qb5
- 2.Qe4#
- 1...Qc6
- 2.Qe4#
- 1...Qd7
- 2.Qe4#
- 2.Qxd7#
- 1...Qe8
- 2.Qe4#
- 1...Qb4
- 2.Qd7#
- 1...Qc4
- 2.Qd7#
- 1...Qe4
- 2.Qxe4#
- 2.Qd7#
- 1...Qa5
- 2.Qe4#
- 2.Qd7#
- 1...Qa6
- 2.Qe4#
- 1...Qa7
- 2.Qe4#
- 1...Qa8
- 2.Qe4#
- 2.Qd7#
- 1...Qd4+!
- 1...Kd4
- 1.Ke2?
- 1...Qe4+
- 2.Qxe4#
- 1...Kd4
- 2.Qe4#
- 1...Kc6
- 2.Qd7#
- 1...Qxa3
- 2.Qe4#
- 2.Qd7#
- 1...Qb3
- 2.Qe4#
- 2.Qd7#
- 1...Qb5
- 2.Qe4#
- 1...Qc6
- 2.Qe4#
- 1...Qd7
- 2.Qe4#
- 2.Qxd7#
- 1...Qe8
- 2.Qe4#
- 1...Qb4
- 2.Qd7#
- 1...Qc4
- 2.Qd7#
- 1...Qd4
- 2.Qb7#
- 2.Qd7#
- 1...Qa5
- 2.Qe4#
- 2.Qd7#
- 1...Qa6
- 2.Qe4#
- 1...Qa7
- 2.Qe4#
- 1...Qa8
- 2.Qe4#
- 2.Qd7#
- 1...Qxc2+!
- 1...Qe4+
- 1.Kg2?
- 1...Kd4
- 2.Qe4#
- 1...Kc6
- 2.Qd7#
- 1...Qxa3
- 2.Qe4#
- 2.Qd7#
- 1...Qb3
- 2.Qe4#
- 2.Qd7#
- 1...Qb5
- 2.Qe4#
- 1...Qc6
- 2.Qe4#
- 1...Qd7
- 2.Qe4#
- 2.Qxd7#
- 1...Qe8
- 2.Qe4#
- 1...Qb4
- 2.Qd7#
- 1...Qc4
- 2.Qd7#
- 1...Qd4
- 2.Qb7#
- 2.Qd7#
- 1...Qe4
- 2.Qxe4#
- 2.Qd7#
- 1...Qa5
- 2.Qe4#
- 2.Qd7#
- 1...Qa6
- 2.Qe4#
- 1...Qa7
- 2.Qe4#
- 1...Qa8
- 2.Qe4#
- 2.Qd7#
- 1...Qxc2+!
- 1...Kd4
- 1.Sb4+?
- 1...Kd4
- 2.Qe4#
- 1...Ke5
- 2.Qg7#
- 2.Qh8#
- 1...Qxb4!
- 1...Kd4
- 1.Rc1?
- 1...Kd4
- 2.Qe4#
- 1...Kc6
- 2.Qd7#
- 1...Qxa3
- 2.Qe4#
- 2.Qd7#
- 1...Qc2
- 2.Qe4#
- 1...Qb3
- 2.Qe4#
- 2.Qd7#
- 1...Qb5
- 2.Qe4#
- 1...Qc6
- 2.Qe4#
- 1...Qd7
- 2.Qe4#
- 2.Qxd7#
- 1...Qe8
- 2.Qe4#
- 1...Qb4
- 2.Qd7#
- 1...Qc4
- 2.Qd7#
- 1...Qd4
- 2.Qb7#
- 2.Qd7#
- 1...Qe4
- 2.Qxe4#
- 2.Qd7#
- 1...Qa5
- 2.Qe4#
- 2.Qd7#
- 1...Qa6
- 2.Qe4#
- 1...Qa7
- 2.Qe4#
- 1...Qa8
- 2.Qe4#
- 2.Qd7#
- 1...Qd1+!
- 1...Kd4
- 1.Qf5+?
- 1...Kd4
- 2.Qe4#
- 1...Kc6!
- 1...Kd4
- 1.Qb7+?
- 1...Kd4
- 2.Qe4#
- 1...Qc6!
- 1...Kd4
- 1.Kg1?
- Keys
- 1.Bh5!
- 1...Kd4
- 2.Qe4#
- 1...Kc6
- 2.Qd7#
- 1...Kxe6
- 2.Qf7#
- 1...Qxc2
- 2.Qe4#
- 1...Qxa3
- 2.Qe4#
- 2.Qd7#
- 1...Qb3
- 2.Qe4#
- 2.Qd7#
- 1...Qb5
- 2.Qe4#
- 1...Qc6
- 2.Qe4#
- 1...Qd7
- 2.Qe4#
- 2.Qxd7#
- 1...Qe8
- 2.Qe4#
- 1...Qb4
- 2.Qd7#
- 1...Qc4
- 2.Qd7#
- 1...Qd4
- 2.Qd7#
- 1...Qe4
- 2.Qxe4#
- 2.Qd7#
- 1...Qa5
- 2.Qe4#
- 2.Qd7#
- 1...Qa6
- 2.Qe4#
- 1...Qa7
- 2.Qe4#
- 1...Qa8
- 2.Qe4#
- 2.Qd7#
- 1...Kd4
- 1.Bh5!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(d);P-FLIGHT::QAR1(J)
- K(d);S_FLIGHT::QAB1(J)
- Q(a);N_GUARD,XR(B)::QAB1(J)
- Q(a);N_GUARD,P_PINS(D)::QAB1(J)
- Q(a);N_GUARD,SBLOCK::QAB1(J)
- Q(a);N_GUARD::QAB1(J)
- Q(a);N_GUARD::QAR2(J)
- Q(a);N_GUARD,P_PINS(D)::QAR2(J)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- K(d);P-FLIGHT::QAR1(J)
- K(d);S_FLIGHT::QAB1(J)
- Q(a);N_GUARD,XR(B)::QAB1(J)
- Q(a);N_GUARD::QAB1(J)
- Q(a);N_GUARD,SBLOCK::QAB1(J)
- Q(a);N_GUARD::QAR2(J)
- Q(a);N_GUARD,P_PINP(H)::QAB1(J)
- Refutation
- Q(a);CHECK
- Try
- K(A);S_FLIGHT
- Vars
- Q(a);CHECK,N_GUARD::QAB1(J),XQ(a)
- K(d);P-FLIGHT::QAR1(J)
- K(d);S_FLIGHT::QAB1(J)
- Q(a);N_GUARD,P_PINS(D)::QAB1(J)
- Q(a);N_GUARD,SBLOCK::QAB1(J)
- Q(a);N_GUARD,P_PINP(I)::QAB1(J)
- Q(a);N_GUARD::QAR2(J)
- Q(a);N_GUARD,P_PINS(D)::QAR2(J)
- Q(a);N_GUARD::QAB1(J)
- Refutation
- Q(a);CHECK,XR(B)
- Try
- K(A);S_FLIGHT
- Vars
- K(d);P-FLIGHT::QAR1(J)
- K(d);S_FLIGHT::QAB1(J)
- Q(a);N_GUARD::QAB1(J)
- Q(a);N_GUARD,SBLOCK::QAB1(J)
- Q(a);N_GUARD::QAR2(J)
- Refutation
- Q(a);CHECK,XR(B)
- Try
- S(D);CHECK
- Vars
- K(d);P-FLIGHT::QAR1(J)
- Refutation
- Q(a);XS(D)
- Try
- R(B);
- Vars
- K(d);P-FLIGHT::QAR1(J)
- K(d);S_FLIGHT::QAB1(J)
- Q(a);N_GUARD::QAB1(J)
- Q(a);N_GUARD,P_PINS(D)::QAB1(J)
- Q(a);N_GUARD,SBLOCK::QAB1(J)
- Q(a);N_GUARD::QAR2(J)
- Q(a);N_GUARD,P_PINS(D)::QAR2(J)
- Refutation
- Q(a);CHECK
- Try
- Q(J);CHECK
- Vars
- K(d);P-FLIGHT::QAR1(J)
- Refutation
- K(d);S_FLIGHT
- Try
- Q(J);CHECK
- Vars
- K(d);OGATE,P-FLIGHT::QAR1(J)
- Refutation
- Q(a);P_SPINQ(a)
- Try
- Actual
- B(G);
- Vars
- K(d);P-FLIGHT::QAR1(J)
- K(d);S_FLIGHT::QAB1(J)
- K(d);OGATEB,S_FLIGHT,XP(I)::QAB1(J)
- Q(a);N_GUARD,XR(B)::QAB1(J)
- Q(a);N_GUARD,P_PINS(D)::QAB1(J)
- Q(a);N_GUARD,SBLOCK::QAB1(J)
- Q(a);N_GUARD::QAB1(J)
- Q(a);N_GUARD::QAR2(J)
- Q(a);N_GUARD,P_PINS(D)::QAR2(J)
- Q(a);N_GUARD,SBLOCK::QAR2(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).