MESON Chess Problem Database
Problem Display
PID: 234493 (8/8/3N2N1/2p2r1p/1pPp3p/1K1k3p/3P3P/2BQ2n1 w - - 0 1)
Palkoska, Emil
Skakbladet, 1929
#2
8 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.Se5#
- 1...Rf2
- 2.Se5#
- 1...Rf3
- 2.Se5#
- 1...Rf4
- 2.Sxf4#
- 2.Se5#
- 1...Rd5
- 2.Sf4#
- 1...Re5
- 2.Sf4#
- 2.Sxe5#
- 1...Rg5
- 2.Sf4#
- 1...Rf6
- 2.Se5#
- 1...Rf7
- 2.Se5#
- 1...Rf8
- 2.Se5#
- 1...Se2
- 2.Qc2#
- 1...Sf3
- 2.Qf1#
- 1...Rf1
- Tries
- 1.Kb2?
- 1...Rf1
- 2.Se5#
- 1...Rf2
- 2.Se5#
- 1...Rf3
- 2.Se5#
- 1...Rf4
- 2.Sxf4#
- 2.Se5#
- 1...Rd5
- 2.Sf4#
- 1...Re5
- 2.Sf4#
- 2.Sxe5#
- 1...Rg5
- 2.Sf4#
- 1...Rf6
- 2.Se5#
- 1...Rf7
- 2.Se5#
- 1...Rf8
- 2.Se5#
- 1...Se2
- 2.Qc2#
- 1...Sf3
- 2.Qf1#
- 1...b3!
- 1...Rf1
- 1.Sxf5?
- 1...Se2
- 2.Qc2#
- 1...Sf3
- 2.Qxf3#
- 1...Ke4!
- 1...Se2
- 1.Bb2?
- 1...Rf1
- 2.Se5#
- 1...Rf2
- 2.Se5#
- 1...Rf3
- 2.Se5#
- 1...Rf4
- 2.Sxf4#
- 2.Se5#
- 1...Rd5
- 2.Sf4#
- 1...Re5
- 2.Sf4#
- 2.Sxe5#
- 1...Rg5
- 2.Sf4#
- 1...Rf6
- 2.Se5#
- 1...Rf7
- 2.Se5#
- 1...Rf8
- 2.Se5#
- 1...Se2
- 2.Qc2#
- 1...Sf3!
- 1...Rf1
- 1.Qg4?
- threat
- 2.Qe4#
- 1...Rf4
- 2.Sxf4#
- 2.Se5#
- 1...Re5
- 2.Sf4#
- 2.Sxe5#
- 1...hxg4!
- threat
- 1.Qe1?
- threat
- 2.Qe4#
- 1...Rf4
- 2.Sxf4#
- 2.Se5#
- 1...Re5
- 2.Sf4#
- 2.Sxe5#
- 1...Se2!
- threat
- 1.Qf1+?
- 1...Se2
- 2.Qxf5#
- 1...Rxf1!
- 1...Se2
- 1.Kb2?
- Keys
- 1.Se4!
- 1...Kxe4
- 2.d3#
- 1...Se2
- 2.Qc2#
- 1...Rf1
- 2.Sxc5#
- 1...Rf2
- 2.Sxf2#
- 2.Sxc5#
- 1...Rf3
- 2.Sxc5#
- 1...Rf4
- 2.Sxc5#
- 1...Rd5
- 2.Sf2#
- 1...Re5
- 2.Sf2#
- 1...Rg5
- 2.Sf2#
- 1...Rf6
- 2.Sxc5#
- 1...Rf7
- 2.Sxc5#
- 1...Rf8
- 2.Sxc5#
- 1...Sf3
- 2.Sf2#
- 1...Kxe4
- 1.Se4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 8
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- R(h);N_GUARD::S(H)
- S(a);SBLOCK::QAB1(B)
- S(a);N_GUARD,S_CUTR(h)::QAB(B)
- Tries
- Try
- K(E);P-FLIGHT
- Vars
- R(h);N_GUARD::S(H)
- R(h);N_GUARD,P_PINP(C)::S(H)
- S(a);SBLOCK::QAB1(B)
- S(a);N_GUARD,S_CUTR(h)::QAB(B)
- Refutation
- P(d);
- Try
- S(G);XR(h)
- Vars
- S(a);SBLOCK::QAB1(B)
- S(a);N_GUARD::QAR2(B),XS(a)
- Refutation
- K(b);S_FLIGHT
- Try
- B(A);
- Vars
- R(h);N_GUARD::S(H)
- S(a);SBLOCK::QAB1(B)
- Refutation
- S(a);
- Try
- Q(B);
- Threat
- QAB1(B)
- Refutation
- P(i);XQ(B)
- Try
- Q(B);
- Threat
- QAB1(B)
- Refutation
- S(a);
- Try
- Q(B);CHECK
- Vars
- S(a);P_SPINS(a),SBLOCK::QAB(B),XR(h)
- Refutation
- R(h);XQ(B)
- Try
- Actual
- S(G);
- Vars
- K(b);OGATE,S_FLIGHT,XS(G)::P(C)
- S(a);SBLOCK::QAB1(B)
- R(h);N_GUARD::S(G),XP(g)
- R(h);N_GUARD::S(G)
- S(a);S_CUTR(h)::S(G)
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).