MESON Chess Problem Database
Problem Display
PID: 231243 (1n6/2R5/4p3/Q1p1P2p/2pkPR1P/1p1N4/1p3pN1/bK3B2 w - - 0 1)
Neukomm, Gyula (Julius) R
Revista de Sah, 1927
#2
10 + 10
| 6490 | yacpdb | 2021 |
| 5454 | Near Snap | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Sa6
- 2.Rd7#
- 1...Sc6
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- 1...cxd3
- 2.Qxc5#
- 1...c3
- 2.Qxc5#
- 1...Sa6
- Tries
- 1.Rg4?
- 1...cxd3
- 2.Qxc5#
- 1...c3
- 2.Qxc5#
- 1...Sa6
- 2.Rd7#
- 1...Sc6
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- 1...hxg4!
- 1...cxd3
- 1.Rc6?
- threat
- 2.Rd6#
- 1...cxd3
- 2.Qxc5#
- 1...c3
- 2.Qxc5#
- 1...Sxc6!
- threat
- 1.Ra7?
- 1...c3
- 2.Qxc5#
- 1...Sa6
- 2.Rd7#
- 1...Sc6
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- 1...cxd3!
- 1...c3
- 1.Rb7?
- 1...c3
- 2.Qxc5#
- 1...Sa6
- 2.Rd7#
- 1...Sc6
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- 1...cxd3!
- 1...c3
- 1.Re7?
- 1...c3
- 2.Qxc5#
- 1...Sa6
- 2.Rd7#
- 1...Sc6
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- 1...cxd3!
- 1...c3
- 1.Rcf7?
- 1...c3
- 2.Qxc5#
- 1...Sa6
- 2.Rd7#
- 1...Sc6
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- 1...cxd3!
- 1...c3
- 1.Rg7?
- 1...c3
- 2.Qxc5#
- 1...Sa6
- 2.Rd7#
- 1...Sc6
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- 1...cxd3!
- 1...c3
- 1.Rh7?
- 1...c3
- 2.Qxc5#
- 1...Sa6
- 2.Rd7#
- 1...Sc6
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- 1...cxd3!
- 1...c3
- 1.Qb4?
- 1...Sa6
- 2.Rd7#
- 1...Sc6
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- 1...cxb4!
- 1...Sa6
- 1.Rg4?
- Keys
- 1.Sb4!
- 1...Kc3
- 2.Sc2#
- 2.Sc6#
- 1...Kxe5
- 2.Qxc5#
- 1...cxb4
- 2.Rxc4#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sd7
- 2.Sc6#
- 1...c3
- 2.Qxc5#
- 1...Kc3
- 1.Sb4!
Anticipated by 101143(1921)
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- S(j);N_GUARD::R(J)
- S(j);N_GUARD::R(J),XS(j)
- P(e);XS(D)::QAB1(H),XP(g)
- P(e);::QAB1(H),XP(g)
- Tries
- Try
- R(F);
- Vars
- P(e);XS(D)::QAB1(H),XP(g)
- P(e);::QAB1(H),XP(g)
- S(j);N_GUARD::R(J)
- S(j);N_GUARD::R(J),XS(j)
- Refutation
- P(h);XR(F)
- Try
- R(J);
- Threat
- R(J)
- Vars
- P(e);XS(D)::QAB1(H),XP(g)
- P(e);::QAB1(H),XP(g)
- Refutation
- S(j);XR(J)
- Try
- R(J);
- Vars
- P(e);::QAB1(H),XP(g)
- S(j);N_GUARD::R(J)
- S(j);N_GUARD::R(J),XS(j)
- Refutation
- P(e);XS(D)
- Try
- R(J);
- Vars
- P(e);::QAB1(H),XP(g)
- S(j);N_GUARD::R(J)
- S(j);N_GUARD::R(J),XS(j)
- Refutation
- P(e);XS(D)
- Try
- R(J);
- Vars
- P(e);::QAB1(H),XP(g)
- S(j);N_GUARD::R(J)
- S(j);N_GUARD::R(J),XS(j)
- Refutation
- P(e);XS(D)
- Try
- R(J);
- Vars
- P(e);::QAB1(H),XP(g)
- S(j);N_GUARD::R(J)
- S(j);N_GUARD::R(J),XS(j)
- Refutation
- P(e);XS(D)
- Try
- R(J);
- Vars
- P(e);::QAB1(H),XP(g)
- S(j);N_GUARD::R(J)
- S(j);N_GUARD::R(J),XS(j)
- Refutation
- P(e);XS(D)
- Try
- R(J);
- Vars
- P(e);::QAB1(H),XP(g)
- S(j);N_GUARD::R(J)
- S(j);N_GUARD::R(J),XS(j)
- Refutation
- P(e);XS(D)
- Try
- Q(H);P_PINP(e)
- Vars
- S(j);N_GUARD::R(J)
- S(j);N_GUARD::R(J),XS(j)
- Refutation
- P(g);N_SPINP(e),XQ(H)
- Try
- Actual
- S(D);
- Vars
- K(f);P_SPINP(g),S_FLIGHT,XP(I)::QAR2(H),XP(g)
- P(g);OGATE,XS(D)::R1(J),XP(e)
- S(j);N_GUARD::S(D)
- S(j);N_GUARD::S(D),XS(j)
- P(e);::QAB1(H),XP(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).