MESON Chess Problem Database
Problem Display
PID: 101184 (4N3/8/1pr5/1P1k1Pp1/N5R1/2p2n2/2p1RB2/2K5 w - - 0 1)
Pauly, Wolfgang
Good Companions, 1921
#2
8 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rc4
- 2.Sxb6#
- 1...Rc5
- 2.Sxb6#
- 1...Rd6
- 2.Sxc3#
- 2.Sc7#
- 1...Re6
- 2.Sxc3#
- 1...Rf6
- 2.Sxc3#
- 1...Rg6
- 2.Sxc3#
- 1...Rh6
- 2.Sxc3#
- 1...Rc7
- 2.Sxb6#
- 1...Rc8
- 2.Sxb6#
- 1...Se1
- 2.Rd4#
- 1...Sg1
- 2.Rd4#
- 1...Sd2
- 2.Rd4#
- 1...Sh2
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sh4
- 2.Rd4#
- 1...Se5
- 2.Rd4#
- 1...Rc4
- Tries
- 1.Kxc2?
- 1...Sd4+
- 2.Rxd4#
- 1...Rc4
- 2.Sxb6#
- 1...Rc5
- 2.Sxb6#
- 1...Rd6
- 2.Sxc3#
- 2.Sc7#
- 1...Re6
- 2.Sxc3#
- 1...Rf6
- 2.Sxc3#
- 1...Rg6
- 2.Sxc3#
- 1...Rh6
- 2.Sxc3#
- 1...Rc7
- 2.Sxb6#
- 1...Rc8
- 2.Sxb6#
- 1...Sg1
- 2.Rd4#
- 1...Sd2
- 2.Rd4#
- 1...Sh2
- 2.Rd4#
- 1...Sh4
- 2.Rd4#
- 1...Se5
- 2.Rd4#
- 1...Se1+!
- 1...Sd4+
- 1.Bg1?
- 1...Sd4
- 2.Rxd4#
- 1...Rc4
- 2.Sxb6#
- 1...Rc5
- 2.Sxb6#
- 1...Rd6
- 2.Sxc3#
- 2.Sc7#
- 1...Re6
- 2.Sxc3#
- 1...Rf6
- 2.Sxc3#
- 1...Rg6
- 2.Sxc3#
- 1...Rh6
- 2.Sxc3#
- 1...Rc7
- 2.Sxb6#
- 1...Rc8
- 2.Sxb6#
- 1...Se1
- 2.Rd4#
- 1...Sd2
- 2.Rd4#
- 1...Sh2
- 2.Rd4#
- 1...Sh4
- 2.Rd4#
- 1...Se5
- 2.Rd4#
- 1...Sxg1!
- 1...Sd4
- 1.Bg3?
- 1...Rc4
- 2.Sf6#
- 1...Rc5
- 2.Sxb6#
- 2.Sf6#
- 1...Rd6
- 2.Sc7#
- 1...Re6
- 2.Sc7#
- 1...Rf6
- 2.Sxf6#
- 2.Sc7#
- 1...Rg6
- 2.Sc7#
- 1...Rh6
- 2.Sc7#
- 1...Rc7
- 2.Sf6#
- 2.Sxc7#
- 1...Rc8
- 2.Sf6#
- 1...Se1
- 2.Re5#
- 1...Sg1
- 2.Re5#
- 1...Sd2
- 2.Re5#
- 1...Sh2
- 2.Re5#
- 1...Sh4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Sd4!
- 1...Rc4
- 1.Re1?
- 1...Sd4
- 2.Rxd4#
- 1...Rc4
- 2.Sxb6#
- 1...Rc5
- 2.Sxb6#
- 1...Rd6
- 2.Sxc3#
- 2.Sc7#
- 1...Re6
- 2.Sxc3#
- 1...Rf6
- 2.Sxc3#
- 1...Rg6
- 2.Sxc3#
- 1...Rh6
- 2.Sxc3#
- 1...Rc7
- 2.Sxb6#
- 1...Rc8
- 2.Sxb6#
- 1...Sg1
- 2.Rd4#
- 1...Sd2
- 2.Rd4#
- 1...Sh2
- 2.Rd4#
- 1...Sh4
- 2.Rd4#
- 1...Se5
- 2.Rd4#
- 1...Sxe1!
- 1...Sd4
- 1.Re5+?
- 1...Sxe5
- 2.Rd4#
- 1...Kxe5!
- 1...Sxe5
- 1.Re6?
- threat
- 2.Sf6#
- 1...Sd4
- 2.Rxd4#
- 1...Rxe6!
- threat
- 1.Re7?
- 1...Sd4
- 2.Rxd4#
- 1...Rc4
- 2.Sxb6#
- 1...Rc5
- 2.Sxb6#
- 1...Rd6
- 2.Sxc3#
- 2.Sc7#
- 1...Rf6
- 2.Sxc3#
- 1...Rg6
- 2.Sxc3#
- 1...Rh6
- 2.Sxc3#
- 1...Rc7
- 2.Sxb6#
- 1...Rc8
- 2.Sxb6#
- 1...Se1
- 2.Rd4#
- 1...Sg1
- 2.Rd4#
- 1...Sd2
- 2.Rd4#
- 1...Sh2
- 2.Rd4#
- 1...Sh4
- 2.Rd4#
- 1...Se5
- 2.Rd4#
- 1...Re6!
- 1...Sd4
- 1.Rb4?
- 1...Rc4
- 2.Sxb6#
- 1...Rc5
- 2.Sxb6#
- 1...Rd6
- 2.Sxc3#
- 2.Sc7#
- 1...Re6
- 2.Sxc3#
- 1...Rf6
- 2.Sxc3#
- 1...Rg6
- 2.Sxc3#
- 1...Rh6
- 2.Sxc3#
- 1...Rc7
- 2.Sxb6#
- 1...Rc8
- 2.Sxb6#
- 1...Se1
- 2.Rd4#
- 1...Sg1
- 2.Rd4#
- 1...Sd2
- 2.Rd4#
- 1...Sh2
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sh4
- 2.Rd4#
- 1...Se5
- 2.Rd4#
- 1...g4!
- 1...Rc4
- 1.Rge4?
- 1...Sd4
- 2.Rxd4#
- 1...Rc4
- 2.Sxb6#
- 1...Rc5
- 2.Sxb6#
- 1...Rd6
- 2.Sxc3#
- 2.Sc7#
- 1...Re6
- 2.Sxc3#
- 1...Rf6
- 2.Sxc3#
- 1...Rg6
- 2.Sxc3#
- 1...Rh6
- 2.Sxc3#
- 1...Rc7
- 2.Sxb6#
- 1...Rc8
- 2.Sxb6#
- 1...Se1
- 2.Rd4#
- 1...Sg1
- 2.Rd4#
- 1...Sd2
- 2.Rd4#
- 1...Sh2
- 2.Rd4#
- 1...Sh4
- 2.Rd4#
- 1...Se5
- 2.Rd4#
- 1...g4!
- 1...Sd4
- 1.f6?
- 1...Rxf6
- 2.Sxc3#
- 1...Sd4
- 2.Rxd4#
- 1...Rc4
- 2.Sxb6#
- 1...Rc5
- 2.Sxb6#
- 1...Rd6
- 2.Sxc3#
- 2.Sc7#
- 1...Re6
- 2.Sxc3#
- 1...Rc7
- 2.Sxb6#
- 1...Rc8
- 2.Sxb6#
- 1...Se1
- 2.Rd4#
- 1...Sg1
- 2.Rd4#
- 1...Sd2
- 2.Rd4#
- 1...Sh2
- 2.Rd4#
- 1...Sh4
- 2.Rd4#
- 1...Se5!
- 1...Rxf6
- 1.Kxc2?
- Keys
- 1.Bc5!
- 1...Rxc5
- 2.Sxb6#
- 1...bxc5
- 2.Sxc3#
- 1...Sd4
- 2.Rxd4#
- 1...Rd6
- 2.Sc7#
- 1...Re6
- 2.Sc7#
- 1...Rf6
- 2.Sxf6#
- 2.Sc7#
- 1...Rg6
- 2.Sc7#
- 1...Rh6
- 2.Sc7#
- 1...Rc7
- 2.Sf6#
- 2.Sxc7#
- 1...Rc8
- 2.Sf6#
- 1...Se1
- 2.Rd4#
- 1...Sg1
- 2.Rd4#
- 1...Sd2
- 2.Rd4#
- 1...Sh2
- 2.Rd4#
- 1...Sh4
- 2.Rd4#
- 1...Se5
- 2.Rd4#
- 1...Rxc5
- 1.Bc5!
This is a version of 40219
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 4
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- R(g);N_GUARD::S(D),XP(f)
- R(g);N_GUARD::S(D),XP(b)
- S(c);N_GUARD::R1(E)
- S(c);N_GUARD::R1(E),XS(c)
- Tries
- Try
- K(A);P-FLIGHT,XP(a)
- Vars
- S(c);CHECK,N_GUARD::R1(E),XS(c)
- R(g);N_GUARD::S(D),XP(f)
- R(g);N_GUARD::S(D),XP(b)
- S(c);N_GUARD::R1(E)
- Refutation
- S(c);CHECK
- Try
- B(C);
- Vars
- S(c);N_GUARD::R1(E),XS(c)
- R(g);N_GUARD::S(D),XP(f)
- R(g);N_GUARD::S(D),XP(b)
- S(c);N_GUARD::R1(E)
- Refutation
- S(c);XB(C)
- Try
- B(C);
- Vars
- R(g);N_GUARD::S(H)
- S(c);N_GUARD::R1(B)
- S(c);N_GUARD::R1(B),XS(c)
- Refutation
- S(c);
- Try
- R(B);
- Vars
- S(c);N_GUARD::R1(E),XS(c)
- R(g);N_GUARD::S(D),XP(f)
- R(g);N_GUARD::S(D),XP(b)
- S(c);N_GUARD::R1(E)
- Refutation
- S(c);XR(B)
- Try
- R(B);CHECK
- Vars
- S(c);SBLOCK,XR(B)::R1(E)
- Refutation
- K(d);P-FLIGHT,XR(B)
- Try
- R(B);
- Threat
- S(H)
- Vars
- S(c);N_GUARD::R1(E),XS(c)
- Refutation
- R(g);XR(B)
- Try
- R(B);
- Vars
- S(c);N_GUARD::R1(E),XS(c)
- R(g);N_GUARD::S(D),XP(f)
- R(g);N_GUARD::S(D),XP(b)
- S(c);N_GUARD::R1(E)
- Refutation
- R(g);
- Try
- R(E);
- Vars
- R(g);N_GUARD::S(D),XP(f)
- R(g);N_GUARD::S(D),XP(b)
- S(c);N_GUARD::R1(E)
- S(c);N_GUARD::R1(E),XS(c)
- Refutation
- P(e);
- Try
- R(E);
- Vars
- S(c);N_GUARD::R1(E),XS(c)
- R(g);N_GUARD::S(D),XP(f)
- R(g);N_GUARD::S(D),XP(b)
- S(c);N_GUARD::R1(E)
- Refutation
- P(e);
- Try
- P(G);
- Vars
- R(g);N_GUARD,XP(G)::S(D),XP(b)
- S(c);N_GUARD::R1(E),XS(c)
- R(g);N_GUARD::S(D),XP(f)
- R(g);N_GUARD::S(D),XP(b)
- S(c);N_GUARD::R1(E)
- Refutation
- S(c);
- Try
- Actual
- B(C);
- Vars
- R(g);N_GUARD,SBLOCK,XB(C)::S(D),XP(f)
- P(f);SBLOCK,XB(C)::S(D),XP(b)
- S(c);N_GUARD::R1(E),XS(c)
- R(g);N_GUARD::S(H)
- S(c);N_GUARD::R1(E)
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).