MESON Chess Problem Database
Problem Display
PID: 233909 (4R3/8/K7/7B/1B3N1Q/1N6/3Pnr2/4kb1R w - - 0 1)
Hannemann, Knud Harald
Skakbladet, 1945
#2
9 + 4
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Tries
- 1.Ra8?
- 1...Sc1+
- 2.d3#
- 1...Sg1+
- 2.d3#
- 1...Sc3+
- 2.Sd3#
- 1...Sg3+
- 2.Sd3#
- 1...Sd4+
- 2.Sd3#
- 2.d3#
- 1...Sxf4+
- 2.d3#
- 1...Kd1!
- 1...Sc1+
- 1.Rb8?
- 1...Sc1+
- 2.d3#
- 1...Sg1+
- 2.d3#
- 1...Sc3+
- 2.Sd3#
- 1...Sg3+
- 2.Sd3#
- 1...Sd4+
- 2.Sd3#
- 2.d3#
- 1...Sxf4+
- 2.d3#
- 1...Kd1!
- 1...Sc1+
- 1.Rd8?
- 1...Sc1+
- 2.d3#
- 1...Sg1+
- 2.d3#
- 1...Sc3+
- 2.Sd3#
- 1...Sg3+
- 2.Sd3#
- 1...Sd4+
- 2.Sd3#
- 2.d3#
- 1...Sxf4+
- 2.d3#
- 1...Kd1!
- 1...Sc1+
- 1.Rf8?
- 1...Sc1+
- 2.d3#
- 1...Sg1+
- 2.d3#
- 1...Sc3+
- 2.Sd3#
- 1...Sg3+
- 2.Sd3#
- 1...Sd4+
- 2.Sd3#
- 2.d3#
- 1...Sxf4+
- 2.d3#
- 1...Kd1!
- 1...Sc1+
- 1.Rg8?
- 1...Sc1+
- 2.d3#
- 1...Sg1+
- 2.d3#
- 1...Sc3+
- 2.Sd3#
- 1...Sg3+
- 2.Sd3#
- 1...Sd4+
- 2.Sd3#
- 2.d3#
- 1...Sxf4+
- 2.d3#
- 1...Kd1!
- 1...Sc1+
- 1.Rh8?
- 1...Sc1+
- 2.d3#
- 1...Sg1+
- 2.d3#
- 1...Sc3+
- 2.Sd3#
- 1...Sg3+
- 2.Sd3#
- 1...Sd4+
- 2.Sd3#
- 2.d3#
- 1...Sxf4+
- 2.d3#
- 1...Kd1!
- 1...Sc1+
- 1.Ra8?
- Keys
- 1.Rc8!
- 1...Sc1+
- 2.d3#
- 1...Sg1+
- 2.d3#
- 1...Sc3+
- 2.Sd3#
- 1...Sg3+
- 2.Sd3#
- 1...Sd4+
- 2.Sd3#
- 2.d3#
- 1...Sxf4+
- 2.d3#
- 1...Kd1
- 2.Rc1#
- 1...Sc1+
- 1.Rc8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- Tries
- Try
- R(I);N_PINS(c)
- Vars
- S(c);CHECK,N_GUARD::B(D)+P(B)
- S(c);CHECK,N_GUARD,N_SPINB(b)::B(D)+P(B)
- S(c);CHECK::S(E)
- S(c);CHECK,N_SPINR(d)::S(E)
- S(c);CHECK,N_GUARD,XS(E)::B(D)+P(B)
- Refutation
- K(a);N_SPINR(d),P-FLIGHT,P_SPINS(c)
- Try
- R(I);N_PINS(c)
- Vars
- S(c);CHECK,N_GUARD::B(D)+P(B)
- S(c);CHECK,N_GUARD,N_SPINB(b)::B(D)+P(B)
- S(c);CHECK::S(E)
- S(c);CHECK,N_SPINR(d)::S(E)
- S(c);CHECK,N_GUARD,XS(E)::B(D)+P(B)
- Refutation
- K(a);N_SPINR(d),P-FLIGHT,P_SPINS(c)
- Try
- R(I);N_PINS(c)
- Vars
- S(c);CHECK,N_GUARD::B(D)+P(B)
- S(c);CHECK,N_GUARD,N_SPINB(b)::B(D)+P(B)
- S(c);CHECK::S(E)
- S(c);CHECK,N_SPINR(d)::S(E)
- S(c);CHECK,N_GUARD,XS(E)::B(D)+P(B)
- Refutation
- K(a);N_SPINR(d),P-FLIGHT,P_SPINS(c)
- Try
- R(I);N_PINS(c)
- Vars
- S(c);CHECK,N_GUARD::B(D)+P(B)
- S(c);CHECK,N_GUARD,N_SPINB(b)::B(D)+P(B)
- S(c);CHECK::S(E)
- S(c);CHECK,N_SPINR(d)::S(E)
- S(c);CHECK,N_GUARD,XS(E)::B(D)+P(B)
- Refutation
- K(a);N_SPINR(d),P-FLIGHT,P_SPINS(c)
- Try
- R(I);N_PINS(c)
- Vars
- S(c);CHECK,N_GUARD::B(D)+P(B)
- S(c);CHECK,N_GUARD,N_SPINB(b)::B(D)+P(B)
- S(c);CHECK::S(E)
- S(c);CHECK,N_SPINR(d)::S(E)
- S(c);CHECK,N_GUARD,XS(E)::B(D)+P(B)
- Refutation
- K(a);N_SPINR(d),P-FLIGHT,P_SPINS(c)
- Try
- R(I);N_PINS(c)
- Vars
- S(c);CHECK,N_GUARD::B(D)+P(B)
- S(c);CHECK,N_GUARD,N_SPINB(b)::B(D)+P(B)
- S(c);CHECK::S(E)
- S(c);CHECK,N_SPINR(d)::S(E)
- S(c);CHECK,N_GUARD,XS(E)::B(D)+P(B)
- Refutation
- K(a);N_SPINR(d),P-FLIGHT,P_SPINS(c)
- Try
- Actual
- R(I);N_PINS(c)
- Vars
- S(c);CHECK,N_GUARD::B(D)+P(B)
- S(c);CHECK,N_GUARD,N_SPINB(b)::B(D)+P(B)
- S(c);CHECK::S(E)
- S(c);CHECK,N_SPINR(d)::S(E)
- S(c);CHECK,N_GUARD,XS(E)::B(D)+P(B)
- K(a);N_SPINR(d),P-FLIGHT,P_SPINS(c)::R1(I)
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).