MESON Chess Problem Database
Problem Display
PID: 201702 (8/1pn5/1p6/1p1k4/pP1P2Q1/K2R3B/4P3/8 w - - 0 1)
Kraemer, Adolf Herrmann Rudolf Ferdinand
San Francisco Chronicle, 1922
#2
7 + 6
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Kc4
- 2.d5#
- 1...Kc6
- 2.Qd7#
- 1...Kd6
- 2.Qd7#
- 1...Sa6
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sa8
- 2.Qe6#
- 1...Se8
- 2.Qe6#
- 1...Kc4
- Tries
- 1.Ka2?
- 1...Kc4
- 2.d5#
- 1...Kc6
- 2.Qd7#
- 1...Kd6
- 2.Qd7#
- 1...Sa6
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sa8
- 2.Qe6#
- 1...Se8
- 2.Qe6#
- 1...a3!
- 1...Kc4
- 1.Kb2?
- 1...Kc4
- 2.d5#
- 1...Kc6
- 2.Qd7#
- 1...Kd6
- 2.Qd7#
- 1...Sa6
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sa8
- 2.Qe6#
- 1...Se8
- 2.Qe6#
- 1...a3+!
- 1...Kc4
- 1.Bg2+?
- 1...Kc4
- 2.d5#
- 1...Kd6!
- 1...Kc4
- 1.Rd1?
- 1...Kc6
- 2.Qd7#
- 1...Kd6
- 2.Qd7#
- 1...Sa6
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sa8
- 2.Qe6#
- 1...Se8
- 2.Qe6#
- 1...Kc4!
- 1...Kc6
- 1.Rd2?
- 1...Kc6
- 2.Qd7#
- 1...Kd6
- 2.Qd7#
- 1...Sa6
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sa8
- 2.Qe6#
- 1...Se8
- 2.Qe6#
- 1...Kc4!
- 1...Kc6
- 1.Qf5+?
- 1...Kc6
- 2.Qd7#
- 1...Kd6
- 2.Qd7#
- 1...Kc4!
- 1...Kc6
- 1.Qd7+?
- 1...Ke4
- 2.Qf5#
- 1...Kc4!
- 1...Ke4
- 1.Qg6?
- 1...Se6
- 2.Qxe6#
- 1...Sa6
- 2.Qe6#
- 1...Sa8
- 2.Qe6#
- 1...Se8
- 2.Qe6#
- 1...Kc4!
- 1...Se6
- 1.e3?
- 1...Kc6
- 2.Qd7#
- 1...Kd6
- 2.Qd7#
- 1...Sa6
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sa8
- 2.Qe6#
- 1...Se8
- 2.Qe6#
- 1...Kc4!
- 1...Kc6
- 1.e4+?
- 1...Kc6
- 2.Qd7#
- 1...Kd6
- 2.Qd7#
- 1...Kc4!
- 1...Kc6
- 1.Ka2?
- Keys
- 1.Qc8!
- 1...Kc4
- 2.Be6#
- 1...Ke4
- 2.Qf5#
- 1...Kc6
- 2.Qd7#
- 1...Kd6
- 2.Qd7#
- 1...Sa6
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sa8
- 2.Qe6#
- 1...Se8
- 2.Qe6#
- 1...Kc4
- 1.Qc8!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(c);OGATE,S_FLIGHT::QAR(G)+P(F)
- K(c);S_FLIGHT::QAB1(G)
- K(c);P-FLIGHT::QAR1(G)
- S(f);N_GUARD::QAB1(G)
- S(f);N_GUARD::QAB1(G),XS(f)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- K(c);OGATE,S_FLIGHT::QAR(G)+P(F)
- K(c);S_FLIGHT::QAB1(G)
- K(c);P-FLIGHT::QAR1(G)
- S(f);N_GUARD::QAB1(G)
- S(f);N_GUARD::QAB1(G),XS(f)
- Refutation
- P(a);
- Try
- K(B);S_FLIGHT
- Vars
- K(c);OGATE,S_FLIGHT::QAR(G)+P(F)
- K(c);S_FLIGHT::QAB1(G)
- K(c);P-FLIGHT::QAR1(G)
- S(f);N_GUARD::QAB1(G)
- S(f);N_GUARD::QAB1(G),XS(f)
- Refutation
- P(a);CHECK
- Try
- B(D);CHECK
- Vars
- K(c);OGATE,S_FLIGHT::QAR(G)+P(F)
- Refutation
- K(c);P-FLIGHT
- Try
- R(C);
- Vars
- K(c);S_FLIGHT::QAB1(G)
- K(c);P-FLIGHT::QAR1(G)
- S(f);N_GUARD::QAB1(G)
- S(f);N_GUARD::QAB1(G),XS(f)
- Refutation
- K(c);S_FLIGHT
- Try
- R(C);
- Vars
- K(c);S_FLIGHT::QAB1(G)
- K(c);P-FLIGHT::QAR1(G)
- S(f);N_GUARD::QAB1(G)
- S(f);N_GUARD::QAB1(G),XS(f)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(G);CHECK
- Vars
- K(c);S_FLIGHT::QAB1(G)
- K(c);P-FLIGHT::QAR1(G)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(G);CHECK
- Vars
- K(c);S_FLIGHT::QAB1(G)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(G);
- Vars
- S(f);N_GUARD::QAB1(G),XS(f)
- S(f);N_GUARD::QAB1(G)
- Refutation
- K(c);S_FLIGHT
- Try
- P(A);
- Vars
- K(c);S_FLIGHT::QAB1(G)
- K(c);P-FLIGHT::QAR1(G)
- S(f);N_GUARD::QAB1(G)
- S(f);N_GUARD::QAB1(G),XS(f)
- Refutation
- K(c);S_FLIGHT
- Try
- P(A);CHECK
- Vars
- K(c);S_FLIGHT::QAB1(G)
- K(c);P-FLIGHT::QAR1(G)
- Refutation
- K(c);S_FLIGHT
- Try
- Actual
- Q(G);
- Vars
- K(c);P_SPINS(f),S_FLIGHT::B(D)
- K(c);S_FLIGHT::QAB1(G)
- K(c);P_SPINS(f),S_FLIGHT::QAB1(G)
- K(c);P-FLIGHT::QAR1(G)
- S(f);N_GUARD::QAB1(G)
- S(f);N_GUARD::QAB1(G),XS(f)
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).