MESON Chess Problem Database
Problem Display
PID: 122382 (8/4p3/1p2Pp2/4PRp1/1B4B1/3pk2p/R2N3P/Q1n4K w - - 0 1)
Neukomm, Gyula (Julius) R
Express Wieczorny, 1951
#2
10 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sxa2
- 2.Qg1#
- 1...Se2
- 2.Rf3#
- 1...Sb3
- 2.Qg1#
- 1...b5
- 2.Bc5#
- 1...fxe5
- 2.Qxe5#
- 1...Sxa2
- Tries
- 1.Ba3?
- 1...fxe5
- 2.Qxe5#
- 1...Se2
- 2.Rf3#
- 1...Sb3
- 2.Qg1#
- 1...b5
- 2.Bc5#
- 1...Sxa2!
- 1...fxe5
- 1.Bc3?
- threat
- 2.Bd4#
- 1...Sxa2
- 2.Qe1#
- 2.Qg1#
- 1...Se2
- 2.Rf3#
- 1...Sb3
- 2.Qe1#
- 2.Qg1#
- 1...fxe5!
- threat
- 1.Ba5?
- threat
- 2.Bxb6#
- 1...Sxa2
- 2.Qg1#
- 1...Se2
- 2.Rf3#
- 1...Sb3
- 2.Qg1#
- 1...b5
- 2.Bb6#
- 1...bxa5!
- threat
- 1.Bxe7?
- 1...fxe5
- 2.Bxg5#
- 2.Qxe5#
- 1...Se2
- 2.Rf3#
- 1...Sb3
- 2.Qg1#
- 1...b5
- 2.Bc5#
- 1...Sxa2!
- 1...fxe5
- 1.Bh5?
- 1...Sxa2
- 2.Qg1#
- 1...fxe5
- 2.Qxe5#
- 1...Se2
- 2.Rf3#
- 1...Sb3
- 2.Qg1#
- 1...b5
- 2.Bc5#
- 1...g4!
- 1...Sxa2
- 1.Rc2?
- 1...fxe5
- 2.Qxe5#
- 1...Se2
- 2.Rf3#
- 1...Sa2
- 2.Qg1#
- 1...Sb3
- 2.Qg1#
- 1...b5
- 2.Bc5#
- 2.Qa7#
- 1...dxc2!
- 1...fxe5
- 1.Ra3?
- 1...fxe5
- 2.Qxe5#
- 1...Se2
- 2.Rf3#
- 1...Sa2
- 2.Qg1#
- 1...Sb3
- 2.Qg1#
- 1...b5!
- 1...fxe5
- 1.Ra4?
- 1...fxe5
- 2.Qxe5#
- 1...Se2
- 2.Rf3#
- 1...Sa2
- 2.Qg1#
- 1...Sb3
- 2.Qg1#
- 1...b5!
- 1...fxe5
- 1.Ra6?
- 1...fxe5
- 2.Qxe5#
- 1...Sa2
- 2.Qg1#
- 1...Se2
- 2.Rf3#
- 1...Sb3
- 2.Qg1#
- 1...b5!
- 1...fxe5
- 1.Ra7?
- 1...fxe5
- 2.Qxe5#
- 1...Sa2
- 2.Qg1#
- 1...Se2
- 2.Rf3#
- 1...Sb3
- 2.Qg1#
- 1...b5!
- 1...fxe5
- 1.Rxf6?
- 1...Sxa2
- 2.Qg1#
- 1...b5
- 2.Bc5#
- 1...Se2
- 2.Rf3#
- 1...Sb3
- 2.Qg1#
- 1...exf6!
- 1...Sxa2
- 1.Ba3?
- Keys
- 1.Ra8!
- 1...fxe5
- 2.Qxe5#
- 1...b5
- 2.Qa7#
- 1...Sa2
- 2.Qg1#
- 1...Se2
- 2.Rf3#
- 1...Sb3
- 2.Qg1#
- 1...fxe5
- 1.Ra8!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(a);OGATE,XR(C)::QAB(A)
- S(a);SBLOCK::R1(I)
- S(a);OGATE::QAB(A)
- P(f);N_GUARD::B(F)
- P(g);OGATE,XP(H)::QAR2(A),XP(g)
- Tries
- Try
- B(F);
- Vars
- P(g);OGATE,XP(H)::QAR2(A),XP(g)
- S(a);SBLOCK::R1(I)
- S(a);OGATE::QAB(A)
- P(f);N_GUARD::B(F)
- Refutation
- S(a);XR(C)
- Try
- B(F);
- Threat
- B(F)
- Vars
- S(a);SBLOCK::R1(I)
- Refutation
- P(g);XP(H)
- Try
- B(F);
- Threat
- B(F),XP(f)
- Vars
- S(a);OGATE,XR(C)::QAB(A)
- S(a);SBLOCK::R1(I)
- S(a);OGATE::QAB(A)
- P(f);::B(F)
- Refutation
- P(f);XB(F)
- Try
- B(F);XP(h)
- Vars
- S(a);SBLOCK::R1(I)
- S(a);OGATE::QAB(A)
- P(f);N_GUARD::B(F)
- Refutation
- S(a);XR(C)
- Try
- B(G);
- Vars
- S(a);OGATE,XR(C)::QAB(A)
- P(g);OGATE,XP(H)::QAR2(A),XP(g)
- S(a);SBLOCK::R1(I)
- S(a);OGATE::QAB(A)
- P(f);N_GUARD::B(F)
- Refutation
- P(e);
- Try
- R(C);
- Vars
- P(g);OGATE,XP(H)::QAR2(A),XP(g)
- S(a);SBLOCK::R1(I)
- S(a);OGATE::QAB(A)
- Refutation
- P(b);XR(C)
- Try
- R(C);P_PINP(b)
- Vars
- P(g);OGATE,XP(H)::QAR2(A),XP(g)
- S(a);SBLOCK::R1(I)
- S(a);OGATE::QAB(A)
- S(a);N_SPINP(b),OGATE::QAB(A)
- Refutation
- P(f);
- Try
- R(C);
- Vars
- P(g);OGATE,XP(H)::QAR2(A),XP(g)
- S(a);SBLOCK::R1(I)
- S(a);OGATE::QAB(A)
- Refutation
- P(f);
- Try
- R(C);
- Vars
- P(g);OGATE,XP(H)::QAR2(A),XP(g)
- S(a);OGATE::QAB(A)
- S(a);SBLOCK::R1(I)
- Refutation
- P(f);
- Try
- R(C);
- Vars
- P(g);OGATE,XP(H)::QAR2(A),XP(g)
- S(a);OGATE::QAB(A)
- S(a);SBLOCK::R1(I)
- Refutation
- P(f);
- Try
- R(I);XP(g)
- Vars
- S(a);OGATE,XR(C)::QAB(A)
- P(f);N_GUARD::B(F)
- S(a);SBLOCK::R1(I)
- S(a);OGATE::QAB(A)
- Refutation
- P(h);XR(I)
- Try
- Actual
- R(C);
- Vars
- P(g);OGATE,XP(H)::QAR2(A),XP(g)
- P(f);OGATEB::QAB(A)
- S(a);OGATE::QAB(A)
- S(a);SBLOCK::R1(I)
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).