MESON Chess Problem Database
Problem Display
PID: 65275 (B7/1r2pN2/p2nP1n1/R5pr/4kpQ1/4P3/2PP3p/7K w - - 0 1)
Neukomm, Gyula (Julius) R
2nd Prize, Good Companions (April Complete Blocks), 1922
#2
9 + 10
| 3132 | The Good Companion Two-Mover | 1922 |
| 81 | Chess | 1958 |
SOLUTION
- SOUND
- Sets
- 1...Rh3
- 2.Sxg5#
- 1...Rh4
- 2.Sxg5#
- 1...Rh6
- 2.Sxg5#
- 1...Rh7
- 2.Sxg5#
- 1...Rh8
- 2.Sxg5#
- 1...Sc4
- 2.Bxb7#
- 1...Sb5
- 2.Bxb7#
- 1...Sf5
- 2.Bxb7#
- 1...Sxf7
- 2.Bxb7#
- 1...Sc8
- 2.Bxb7#
- 1...Se8
- 2.Bxb7#
- 1...Sh4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Sf8
- 2.Re5#
- 1...Sh8
- 2.Re5#
- 1...Rh3
- Tries
- 1.Ra4+?
- 1...Sc4
- 2.Bxb7#
- 1...Kd5!
- 1...Sc4
- 1.Rc5?
- 1...Sxf7
- 2.Bxb7#
- 1...Rh3
- 2.Sxg5#
- 1...Rh4
- 2.Sxg5#
- 1...Rh6
- 2.Sxg5#
- 1...Rh7
- 2.Sxg5#
- 1...Rh8
- 2.Sxg5#
- 1...Sc4
- 2.Bxb7#
- 1...Sb5
- 2.Bxb7#
- 1...Sf5
- 2.Bxb7#
- 1...Sc8
- 2.Bxb7#
- 1...Se8
- 2.Bxb7#
- 1...Sh4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Sf8
- 2.Re5#
- 1...Sh8
- 2.Re5#
- 1...a5!
- 1...Sxf7
- 1.Rf5?
- 1...Sxf5
- 2.Bxb7#
- 1...Sxf7
- 2.Bxb7#
- 1...Se5
- 2.Rxe5#
- 1...Rh3
- 2.Sxg5#
- 1...Rh4
- 2.Sxg5#
- 1...Rh6
- 2.Sxg5#
- 1...Rh7
- 2.Sxg5#
- 1...Rh8
- 2.Sxg5#
- 1...Sc4
- 2.Bxb7#
- 1...Sb5
- 2.Bxb7#
- 1...Sc8
- 2.Bxb7#
- 1...Se8
- 2.Bxb7#
- 1...Sh4
- 2.Re5#
- 1...Sf8
- 2.Re5#
- 1...Sh8
- 2.Re5#
- 1...a5!
- 1...Sxf5
- 1.Qe2?
- threat
- 2.d3#
- 1...fxe3
- 2.Qxe3#
- 1...Se5
- 2.Rxe5#
- 1...Sb5!
- threat
- 1.Qh3?
- threat
- 2.d3#
- 1...Rxh3
- 2.Sxg5#
- 1...fxe3
- 2.Qxe3#
- 1...Sb5
- 2.Bxb7#
- 1...Se5
- 2.Rxe5#
- 1...f3!
- threat
- 1.Qf5+?
- 1...Sxf5
- 2.Bxb7#
- 1...Kf3!
- 1...Sxf5
- 1.Ra4+?
- Keys
- 1.Qxg5!
- 1...Kf3
- 2.Qg2#
- 1...Rxg5
- 2.Sxg5#
- 1...Sxf7
- 2.Bxb7#
- 1...fxe3
- 2.Qxe3#
- 1...Rh3
- 2.Qd5#
- 1...Rh4
- 2.Qd5#
- 1...Rh6
- 2.Qd5#
- 1...Rh7
- 2.Qd5#
- 1...Rh8
- 2.Qd5#
- 1...Sc4
- 2.Bxb7#
- 1...Sb5
- 2.Bxb7#
- 1...Sf5
- 2.Bxb7#
- 1...Sc8
- 2.Bxb7#
- 1...Se8
- 2.Bxb7#
- 1...Sh4
- 2.Qxf4#
- 1...Se5
- 2.Qxf4#
- 1...Sf8
- 2.Qxf4#
- 1...Sh8
- 2.Qxf4#
- 1...f3
- 2.d3#
- 1...Kf3
- 1.Qxg5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 9
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- R(e);N_GUARD::S(H),XP(d)
- S(g);N_GUARD::B(I),XR(i)
- S(g);N_GUARD,XS(H)::B(I),XR(i)
- S(h);N_GUARD::R1(F)
- S(h);N_GUARD::R1(F),XS(h)
- Tries
- Try
- R(F);CHECK
- Vars
- S(g);P_SPINS(g)::B(I),XR(i)
- Refutation
- K(b);N_SPINP(c),S_FLIGHT
- Try
- R(F);
- Vars
- S(g);N_GUARD,XS(H)::B(I),XR(i)
- R(e);N_GUARD::S(H),XP(d)
- S(g);N_GUARD::B(I),XR(i)
- S(h);N_GUARD::R1(F)
- S(h);N_GUARD::R1(F),XS(h)
- Refutation
- P(f);
- Try
- R(F);
- Vars
- S(g);N_GUARD,XR(F)::B(I),XR(i)
- S(g);N_GUARD,XS(H)::B(I),XR(i)
- S(h);N_GUARD::R1(F),XS(h)
- R(e);N_GUARD::S(H),XP(d)
- S(g);N_GUARD::B(I),XR(i)
- S(h);N_GUARD::R1(F)
- Refutation
- P(f);
- Try
- Q(E);N_PINP(c)
- Threat
- P(C)
- Vars
- P(c);OGATE,P_SPINP(c),XP(D)::QAR1(E),XP(c)
- S(h);N_GUARD::R1(F),XS(h)
- Refutation
- S(g);
- Try
- Q(E);N_PINP(c)
- Threat
- P(C)
- Vars
- R(e);N_GUARD,XQ(E)::S(H),XP(d)
- P(c);OGATE,XP(D)::QAR1(E),XP(c)
- S(g);N_GUARD::B(I),XR(i)
- S(h);N_GUARD::R1(F),XS(h)
- Refutation
- P(c);
- Try
- Q(E);CHECK,N_PINP(c)
- Vars
- S(g);XQ(E)::B(I),XR(i)
- Refutation
- K(b);P_SPINP(c),S_FLIGHT
- Try
- Actual
- Q(E);N_PINP(c),XP(d)
- Vars
- K(b);S_FLIGHT::QAB1(E)
- R(e);XQ(E)::S(H),XR(e)
- S(g);N_GUARD,XS(H)::B(I),XR(i)
- P(c);OGATE,XP(D)::QAR1(E),XP(c)
- R(e);N_GUARD::QAB1(E)
- S(g);N_GUARD::B(I),XR(i)
- S(h);N_GUARD::QAR1(E),XP(c)
- P(c);SBLOCK::P(C)
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).