MESON Chess Problem Database
Problem Display
PID: 45869 (KN6/1P4b1/ppQ3p1/kr6/p1P3n1/P6r/3R4/4B3 w - - 0 1)
Pribyl, Vaclav
Postsjakk, 1961
#2
8 + 9
| 3749 | FIDE Album (1959-1961) | 1966 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Rd5#
- 1...Rb2
- 2.Rd5#
- 1...Rb3
- 2.Rd5#
- 1...Rd5
- 2.Rxd5#
- 1...Re5
- 2.Rd5#
- 1...Rf5
- 2.Rd5#
- 1...Rg5
- 2.Rd5#
- 1...Rh5
- 2.Rd5#
- 1...Rb1
- Tries
- 1.Rd3+?
- 1...Rb4
- 2.Bxb4#
- 2.axb4#
- 1...Bc3!
- 1...Rb4
- 1.Rd4+?
- 1...Rb4
- 2.Bxb4#
- 2.axb4#
- 1...Rc3!
- 1...Rb4
- 1.Qf3?
- threat
- 2.Sc6#
- 1...Rc5
- 2.Rd4#
- 1...Se5
- 2.Rd5#
- 1...Rh8!
- threat
- 1.Qxb6+?
- 1...Rxb6
- 2.Rd5#
- 1...Kxb6!
- 1...Rxb6
- 1.Qf6?
- threat
- 2.Sc6#
- 1...Rh8
- 2.Rd5#
- 1...Rc5
- 2.Rd3#
- 1...Se5!
- threat
- 1.Rd3+?
- Keys
- 1.Qd5!
- threat
- 2.Sc6#
- 1...Rh8
- 2.Rd4#
- 1...Se5
- 2.Rd3#
- threat
- 1.Qd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 8
- Sets
- R(e);::B(A)+R(B),DCHECK
- R(e);::B(A)+R(B),DCHECK,XR(e)
- Tries
- Try
- R(B);CHECK
- Refutation
- B(i);P_SPINB(i)
- Try
- R(B);CHECK
- Refutation
- R(a);P_SPINR(a)
- Try
- Q(E);
- Threat
- S(H)
- Vars
- R(e);N_GUARD::B(A)+R(B)
- S(c);S_CUTB(i)::B(A)+R(B)
- Refutation
- R(a);P_PINS(H)
- Try
- Q(E);CHECK,XP(g)
- Vars
- R(e);SBLOCK,XQ(E)::B(A)+R(B),DCHECK
- Refutation
- K(d);S_FLIGHT,XQ(E)
- Try
- Q(E);
- Threat
- S(H)
- Vars
- R(a);N_GUARD,P_PINS(H)::B(A)+R(B)
- R(e);N_GUARD::B(A)+R(B)
- Refutation
- S(c);
- Try
- Actual
- Q(E);P_PINR(e)
- Threat
- S(H)
- Vars
- R(a);N_GUARD,P_PINS(H)::B(A)+R(B)
- S(c);S_CUTB(i)::B(A)+R(B)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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