MESON Chess Problem Database
Problem Display
PID: 81329 (8/p7/kb6/1R1Q4/3p4/3K4/8/8 w - - 0 1)
Asplund, Per Ivan Rune
Tidskrift for Schack, 1970
#2
3 + 4
SOLUTION
- SOUND
- Sets
- 1...Ba5
- 2.Qb7#
- 1...Bc5
- 2.Qb7#
- 1...Bc7
- 2.Qb7#
- 1...Bd8
- 2.Qb7#
- 1...Ba5
- Tries
- 1.Kc2?
- 1...Bc5
- 2.Qb7#
- 1...Ba5
- 2.Qb7#
- 1...Bc7
- 2.Qb7#
- 1...Bd8
- 2.Qb7#
- 1...d3+!
- 1...Bc5
- 1.Ke2?
- 1...Bc5
- 2.Qb7#
- 1...Ba5
- 2.Qb7#
- 1...Bc7
- 2.Qb7#
- 1...Bd8
- 2.Qb7#
- 1...d3+!
- 1...Bc5
- 1.Kc4?
- 1...Ba5
- 2.Qb7#
- 1...Bc5
- 2.Qb7#
- 1...Bc7
- 2.Qb7#
- 1...Bd8
- 2.Qb7#
- 1...d3!
- 1...Ba5
- 1.Ke4?
- 1...Bc5
- 2.Qb7#
- 1...Ba5
- 2.Qb7#
- 1...Bc7
- 2.Qb7#
- 1...Bd8
- 2.Qb7#
- 1...d3!
- 1...Bc5
- 1.Rb1?
- 1...Ba5
- 2.Qc4#
- 2.Qb7#
- 2.Qb5#
- 1...Bc7
- 2.Qb5#
- 1...Bd8
- 2.Qb5#
- 1...Bc5!
- 1...Ba5
- 1.Rb2?
- 1...Ba5
- 2.Qc4#
- 2.Qb7#
- 2.Qb5#
- 1...Bc7
- 2.Qb5#
- 1...Bd8
- 2.Qb5#
- 1...Bc5!
- 1...Ba5
- 1.Rb3?
- 1...Ba5
- 2.Qc4#
- 2.Qb7#
- 2.Qb5#
- 1...Bc7
- 2.Qb5#
- 1...Bd8
- 2.Qb5#
- 1...Bc5!
- 1...Ba5
- 1.Qh1?
- 1...Ba5
- 2.Qb7#
- 1...Bc5
- 2.Qb7#
- 1...Bc7
- 2.Qb7#
- 1...Bd8
- 2.Qb7#
- 1...Kxb5!
- 1...Ba5
- 1.Qg2?
- 1...Ba5
- 2.Qb7#
- 1...Bc5
- 2.Qb7#
- 1...Bc7
- 2.Qb7#
- 1...Bd8
- 2.Qb7#
- 1...Kxb5!
- 1...Ba5
- 1.Qf3?
- 1...Ba5
- 2.Qb7#
- 1...Bc5
- 2.Qb7#
- 1...Bc7
- 2.Qb7#
- 1...Bd8
- 2.Qb7#
- 1...Kxb5!
- 1...Ba5
- 1.Qe4?
- 1...Ba5
- 2.Qb7#
- 1...Bc5
- 2.Qb7#
- 1...Bc7
- 2.Qb7#
- 1...Bd8
- 2.Qb7#
- 1...Kxb5!
- 1...Ba5
- 1.Qa8?
- 1...Ba5
- 2.Qb7#
- 1...Bc5
- 2.Qb7#
- 1...Bc7
- 2.Qb7#
- 1...Bd8
- 2.Qb7#
- 1...Kxb5!
- 1...Ba5
- 1.Qd7?
- 1...Ba5
- 2.Qb7#
- 1...Bc5
- 2.Qb7#
- 1...Bd8
- 2.Qb7#
- 1...Bc7!
- 1...Ba5
- 1.Kc2?
- Keys
- 1.Rb4!
- 1...Bc5
- 2.Qa2#
- 1...Ba5
- 2.Qc4#
- 2.Qb7#
- 2.Qb5#
- 1...Bc7
- 2.Qb5#
- 1...Bd8
- 2.Qb5#
- 1...Bc5
- 1.Rb4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- B(c);::QAB1(C)
- Tries
- Try
- K(A);S_FLIGHT
- Vars
- B(c);::QAB1(C)
- Refutation
- P(a);CHECK
- Try
- K(A);S_FLIGHT
- Vars
- B(c);::QAB1(C)
- Refutation
- P(a);CHECK
- Try
- K(A);S_FLIGHT
- Vars
- B(c);::QAB1(C)
- Refutation
- P(a);
- Try
- K(A);S_FLIGHT
- Vars
- B(c);::QAB1(C)
- Refutation
- P(a);
- Try
- R(B);
- Vars
- B(c);::QAB1(C)
- Refutation
- B(c);
- Try
- R(B);
- Vars
- B(c);::QAB1(C)
- Refutation
- B(c);
- Try
- R(B);
- Vars
- B(c);::QAB1(C)
- Refutation
- B(c);
- Try
- Q(C);
- Vars
- B(c);::QAB1(C)
- Refutation
- K(b);S_FLIGHT,XR(B)
- Try
- Q(C);
- Vars
- B(c);::QAB1(C)
- Refutation
- K(b);S_FLIGHT,XR(B)
- Try
- Q(C);
- Vars
- B(c);::QAB1(C)
- Refutation
- K(b);S_FLIGHT,XR(B)
- Try
- Q(C);
- Vars
- B(c);::QAB1(C)
- Refutation
- K(b);S_FLIGHT,XR(B)
- Try
- Q(C);P_PINP(d)
- Vars
- B(c);::QAB1(C)
- Refutation
- K(b);N_SPINP(d),S_FLIGHT,XR(B)
- Try
- Q(C);
- Vars
- B(c);::QAB1(C)
- Refutation
- B(c);
- Try
- Actual
- R(B);
- Vars
- B(c);N_GUARD::QAR(C)
- B(c);::QAB1(C)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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