MESON Chess Problem Database
Problem Display
PID: 154525 (8/4p3/4P3/2N1R1n1/p1KB4/2pN1pp1/Rprk2n1/5Q2 w - - 0 1)
Prytz, Rudolf
Fyens Stifstidende, 1935
#2
8 + 10
| 4035 | Aarsskrift for DSK | 1935 |
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Qxc1#
- 1...Se1
- 2.Qxe1#
- 1...Se3+
- 2.Bxe3#
- 1...Sf4
- 2.Be3#
- 2.Qe1#
- 1...Sh4
- 2.Be3#
- 2.Qe1#
- 1...Sh3
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Sxe6
- 2.Se4#
- 1...Sf7
- 2.Se4#
- 1...Sh7
- 2.Se4#
- 1...b1Q
- 2.Bxc3#
- 1...b1S
- 2.Qc1#
- 1...b1B
- 2.Bxc3#
- 2.Qc1#
- 1...b1R
- 2.Bxc3#
- 1...f2
- 2.Re2#
- 2.Qe2#
- 1...a3
- 2.Sb3#
- 1...Rc1
- Tries
- 1.Sc1?
- 1...Se3+
- 2.Bxe3#
- 1...Rxc1
- 2.Qd3#
- 1...Sxe6
- 2.Se4#
- 1...bxc1Q
- 2.Bxc3#
- 2.Qd3#
- 1...bxc1S
- 2.Bxc3#
- 1...bxc1B
- 2.Bxc3#
- 2.Qd3#
- 1...bxc1R
- 2.Bxc3#
- 2.Qd3#
- 1...Se1
- 2.Qxe1#
- 1...b1Q
- 2.Bxc3#
- 1...b1B
- 2.Bxc3#
- 1...b1R
- 2.Bxc3#
- 1...Sf4
- 2.Be3#
- 2.Qe1#
- 1...Sh4
- 2.Be3#
- 2.Qe1#
- 1...Sh3
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Sf7
- 2.Se4#
- 1...Sh7
- 2.Se4#
- 1...f2
- 2.Re2#
- 1...a3
- 2.S1b3#
- 2.S5b3#
- 1...b1S!
- 1...Se3+
- 1.Sf2?
- threat
- 2.Qd1#
- 1...Se3+
- 2.Bxe3#
- 1...Rc1
- 2.Qd3#
- 1...Se1
- 2.Be3#
- 2.Qxe1#
- 1...b1Q
- 2.Bxc3#
- 1...b1R
- 2.Bxc3#
- 1...gxf2!
- threat
- 1.Sf4?
- 1...Se3+
- 2.Bxe3#
- 1...Sxf4
- 2.Be3#
- 2.Qe1#
- 1...Sxe6
- 2.Se4#
- 1...Rc1
- 2.Qd3#
- 1...Se1
- 2.Qxe1#
- 1...b1Q
- 2.Bxc3#
- 1...b1B
- 2.Bxc3#
- 1...b1R
- 2.Bxc3#
- 1...Sh4
- 2.Be3#
- 2.Qe1#
- 1...Sh3
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Sf7
- 2.Se4#
- 1...Sh7
- 2.Se4#
- 1...f2
- 2.Re2#
- 1...a3
- 2.Sb3#
- 1...b1S!
- 1...Se3+
- 1.Rxb2?
- threat
- 2.Bxc3#
- 2.Qc1#
- 1...Se3+
- 2.Bxe3#
- 1...Rxb2
- 2.Qc1#
- 1...Se1
- 2.Qxe1#
- 1...Se4
- 2.Sxe4#
- 1...cxb2+!
- threat
- 1.Re1?
- threat
- 2.Rd1#
- 1...Se3+
- 2.Bxe3#
- 1...Sxe1
- 2.Qxe1#
- 1...b1Q
- 2.Bxc3#
- 1...b1R
- 2.Bxc3#
- 1...Rc1!
- threat
- 1.Qxf3?
- threat
- 2.Qe2#
- 1...Se3+
- 2.Bxe3#
- 1...Sf4
- 2.Be3#
- 1...Se4
- 2.Sxe4#
- 1...Sxf3!
- threat
- 1.Sc1?
- Keys
- 1.Sb4!
- 1...Se3+
- 2.Bxe3#
- 1...Sxe6
- 2.Se4#
- 1...Se1
- 2.Qxe1#
- 1...b1Q
- 2.Bxc3#
- 1...b1S
- 2.Rxc2#
- 1...b1B
- 2.Bxc3#
- 1...b1R
- 2.Bxc3#
- 2.Rxc2#
- 1...Rc1
- 2.Qd3#
- 1...Sf4
- 2.Be3#
- 2.Qe1#
- 1...Sh4
- 2.Be3#
- 2.Qe1#
- 1...Sh3
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Sf7
- 2.Se4#
- 1...Sh7
- 2.Se4#
- 1...f2
- 2.Re2#
- 1...a3
- 2.Sb3#
- 1...Se3+
- 1.Sb4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- R(b);N_GUARD,P_SPINP(a)::QAB1(A),XR(b)
- S(d);N_GUARD::QAB1(A),XS(d)
- S(d);CHECK,N_GUARD::B(E),XS(d)
- S(i);N_GUARD::S(F)
- S(i);N_GUARD::S(F),XS(i)
- S(i);N_GUARD,XP(H)::S(F)
- P(a);P_SPINR(b)::B(E),XP(e)
- P(a);N_GUARD,P_SPINR(b)::QAB1(A)
- P(h);N_GUARD::S(F)
- Tries
- Try
- S(C);
- Vars
- S(d);CHECK,N_GUARD::B(E),XS(d)
- R(b);P_SPINP(a),SBLOCK,XS(C)::QAR1(A)
- S(i);N_GUARD,XP(H)::S(F)
- P(a);P_SPINR(b),XS(C)::B(E),XP(e)
- S(d);N_GUARD::QAB1(A),XS(d)
- P(a);P_SPINR(b)::B(E),XP(e)
- S(i);N_GUARD::S(F)
- S(i);N_GUARD::S(F),XS(i)
- P(f);N_GUARD::R1(G)
- Refutation
- P(a);P_SPINR(b)
- Try
- S(C);
- Threat
- QAR1(A)
- Vars
- S(d);CHECK,N_GUARD::B(E),XS(d)
- R(b);P_SPINP(a),SBLOCK::QAR1(A)
- P(a);P_SPINR(b)::B(E),XP(e)
- Refutation
- P(g);XS(C)
- Try
- S(C);
- Vars
- S(d);CHECK,N_GUARD::B(E),XS(d)
- S(i);N_GUARD,XP(H)::S(F)
- R(b);P_SPINP(a),SBLOCK::QAR1(A)
- S(d);N_GUARD::QAB1(A),XS(d)
- P(a);P_SPINR(b)::B(E),XP(e)
- S(i);N_GUARD::S(F)
- S(i);N_GUARD::S(F),XS(i)
- P(f);N_GUARD::R1(G)
- P(h);N_GUARD::S(F)
- Refutation
- P(a);P_SPINR(b)
- Try
- R(B);P_PINR(b),XP(a)
- Threat
- DUALS(2)
- Vars
- S(d);CHECK,N_GUARD::B(E),XS(d)
- R(b);N_SPINR(b),XR(B)::QAB1(A)
- S(d);N_GUARD::QAB1(A),XS(d)
- S(i);N_GUARD::S(F),XS(i)
- Refutation
- P(e);CHECK,N_SPINR(b),XR(B)
- Try
- R(G);
- Threat
- R1(G)
- Vars
- S(d);CHECK,N_GUARD::B(E),XS(d)
- S(d);OGATE,XR(G)::QAB1(A),XS(d)
- P(a);P_SPINR(b)::B(E),XP(e)
- Refutation
- R(b);P_SPINP(a)
- Try
- Q(A);XP(f)
- Threat
- QAR1(A)
- Vars
- S(d);CHECK,N_GUARD::B(E),XS(d)
- S(d);N_GUARD::B(E)
- S(i);N_GUARD::S(F),XS(i)
- Refutation
- S(i);XQ(A)
- Try
- Actual
- S(C);
- Vars
- S(d);CHECK,N_GUARD::B(E),XS(d)
- S(i);N_GUARD,XP(H)::S(F)
- S(d);N_GUARD::QAB1(A),XS(d)
- P(a);P_SPINR(b)::B(E),XP(e)
- P(a);OGATE,P_SPINR(b)::R1(B),XR(b)
- R(b);P_SPINP(a),SBLOCK::QAR1(A)
- S(i);N_GUARD::S(F)
- S(i);N_GUARD::S(F),XS(i)
- P(f);N_GUARD::R1(G)
- P(h);N_GUARD::S(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).