MESON Chess Problem Database
Problem Display
PID: 92288 (8/8/3Np3/4p3/1Np5/2Ppk1P1/2P1p1P1/4Q1K1 w - - 0 1)
Neukomm, Gyula (Julius) R
Schach-Echo, 1957
#2
8 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...dxc2
- 2.Qc1#
- 1...d2
- 2.Qf2#
- 1...e4
- 2.Sxc4#
- 1...dxc2
- Tries
- 1.Kh1?
- 1...d2
- 2.Qg1#
- 1...e4
- 2.Sxc4#
- 1...dxc2!
- 1...d2
- 1.Kh2?
- 1...d2
- 2.Qg1#
- 1...e4
- 2.Sxc4#
- 1...dxc2!
- 1...d2
- 1.Sa2?
- 1...d2
- 2.Qf2#
- 1...e4
- 2.Sxc4#
- 1...dxc2!
- 1...d2
- 1.Sa6?
- 1...d2
- 2.Qf2#
- 1...e4
- 2.Sxc4#
- 1...dxc2!
- 1...d2
- 1.Sc6?
- 1...d2
- 2.Qf2#
- 1...e4
- 2.Sxc4#
- 1...dxc2!
- 1...d2
- 1.Kh1?
- Keys
- 1.Qa1!
- 1...e1Q+
- 2.Qxe1#
- 1...e1R+
- 2.Qxe1#
- 1...Kd2
- 2.Sxc4#
- 1...dxc2
- 2.Qc1#
- 1...e1S
- 2.Qxe1#
- 1...e1B
- 2.Qxe1#
- 1...d2
- 2.Qa7#
- 1...e4
- 2.Sxc4#
- 1...e1Q+
- 1.Qa1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- P(b);N_GUARD,XP(C)::QAB(A)
- P(b);SBLOCK::QAB1(A)
- P(e);SBLOCK::S(H),XP(d)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- P(b);SBLOCK::QAB(A)
- P(e);SBLOCK::S(H),XP(d)
- Refutation
- P(b);XP(C)
- Try
- K(B);S_FLIGHT
- Vars
- P(b);SBLOCK::QAB(A)
- P(e);SBLOCK::S(H),XP(d)
- Refutation
- P(b);XP(C)
- Try
- S(G);
- Vars
- P(b);SBLOCK::QAB1(A)
- P(e);SBLOCK::S(H),XP(d)
- Refutation
- P(b);XP(C)
- Try
- S(G);
- Vars
- P(b);SBLOCK::QAB1(A)
- P(e);SBLOCK::S(H),XP(d)
- Refutation
- P(b);XP(C)
- Try
- S(G);
- Vars
- P(b);SBLOCK::QAB1(A)
- P(e);SBLOCK::S(H),XP(d)
- Refutation
- P(b);XP(C)
- Try
- Actual
- Q(A);N_PINP(a)
- Vars
- P(a);CHECK,OGATEB::QAR2(A),XQ(a)
- P(a);CHECK,OGATEB::QAR2(A),XR(a)
- K(c);S_FLIGHT::S(H),XP(d)
- P(b);N_GUARD,XP(C)::QAB(A)
- P(a);OGATEB::QAR2(A),XS(a)
- P(a);OGATEB::QAR2(A),XB(a)
- P(b);SBLOCK::QAB(A)
- P(e);SBLOCK::S(H),XP(d)
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).