MESON Chess Problem Database
Problem Display
PID: 92285 (8/2p5/2n5/2B1P1K1/1nQpk1B1/4N3/1N3P2/8 w - - 0 1)
Neukomm, Gyula (Julius) R
Wiener Schachzeitung, 1924
#2
8 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kxe5
- 2.Qe6#
- 1...Sa2
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sd3
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sa5
- 2.Qxd4#
- 1...Sxe5
- 2.Qxd4#
- 1...Sa7
- 2.Qxd4#
- 1...Se7
- 2.Qxd4#
- 1...Sb8
- 2.Qxd4#
- 1...Sd8
- 2.Qxd4#
- 1...Kxe5
- Tries
- 1.Bd1?
- 1...Sxe5
- 2.Qxd4#
- 1...Sa2
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sd3
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sa5
- 2.Qxd4#
- 1...Sa7
- 2.Qxd4#
- 1...Se7
- 2.Qxd4#
- 1...Sb8
- 2.Qxd4#
- 1...Sd8
- 2.Qxd4#
- 1...Kxe5!
- 1...Sxe5
- 1.Be2?
- 1...Sxe5
- 2.Qxd4#
- 1...Sa2
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sd3
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sa5
- 2.Qxd4#
- 1...Sa7
- 2.Qxd4#
- 1...Se7
- 2.Qxd4#
- 1...Sb8
- 2.Qxd4#
- 1...Sd8
- 2.Qxd4#
- 1...Kxe5!
- 1...Sxe5
- 1.Bf3+?
- 1...Kxe5
- 2.Sg4#
- 1...Kxf3!
- 1...Kxe5
- 1.Bf5+?
- 1...Kxe5
- 2.Sg4#
- 2.Qe6#
- 2.f4#
- 1...Kf3!
- 1...Kxe5
- 1.Bh5?
- 1...Sxe5
- 2.Qxd4#
- 1...Sa2
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sd3
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sa5
- 2.Qxd4#
- 1...Sa7
- 2.Qxd4#
- 1...Se7
- 2.Qxd4#
- 1...Sb8
- 2.Qxd4#
- 1...Sd8
- 2.Qxd4#
- 1...Kxe5!
- 1...Sxe5
- 1.Bb6?
- 1...Kxe5
- 2.Qe6#
- 1...Sxe5
- 2.Qxd4#
- 1...Sa2
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sd3
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sa5
- 2.Qxd4#
- 1...Sa7
- 2.Qxd4#
- 1...Se7
- 2.Qxd4#
- 1...Sb8
- 2.Qxd4#
- 1...Sd8
- 2.Qxd4#
- 1...cxb6!
- 1...Kxe5
- 1.Ba7?
- 1...Kxe5
- 2.Qe6#
- 1...Sxe5
- 2.Qxd4#
- 1...Sa2
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sd3
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sa5
- 2.Qxd4#
- 1...Se7
- 2.Qxd4#
- 1...Sb8
- 2.Qxd4#
- 1...Sd8
- 2.Qxd4#
- 1...Sxa7!
- 1...Kxe5
- 1.Qd3+?
- 1...Kxe5
- 2.Sbc4#
- 2.Qf5#
- 2.f4#
- 1...Sxd3!
- 1...Kxe5
- 1.Qe6?
- threat
- 2.Qf5#
- 1...dxe3
- 2.f3#
- 1...Se7!
- threat
- 1.Qf7?
- threat
- 2.Qf4#
- 2.Qf5#
- 1...Kxe5
- 2.Qe6#
- 2.Qf4#
- 2.Qf5#
- 1...Sd3
- 2.Qd5#
- 2.Qf5#
- 1...Sd5
- 2.Qxd5#
- 2.Qf5#
- 1...Se7
- 2.Qf4#
- 1...dxe3!
- threat
- 1.f3+?
- 1...Kxe5
- 2.Qe6#
- 1...Kxe3!
- 1...Kxe5
- 1.e6?
- 1...Sa2
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sd3
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sa5
- 2.Qxd4#
- 1...Se5
- 2.Qxd4#
- 1...Sa7
- 2.Qxd4#
- 1...Se7
- 2.Qxd4#
- 1...Sb8
- 2.Qxd4#
- 1...Sd8
- 2.Qxd4#
- 1...Ke5!
- 1...Sa2
- 1.Bd1?
- Keys
- 1.f4!
- 1...Kxe3
- 2.Qe2#
- 1...Sxe5
- 2.Qxd4#
- 1...Sa2
- 2.Qd3#
- 1...Sc2
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sd5
- 2.Qd3#
- 1...Sa6
- 2.Qd3#
- 1...Sa5
- 2.Qxd4#
- 1...Sa7
- 2.Qxd4#
- 1...Se7
- 2.Qxd4#
- 1...Sb8
- 2.Qxd4#
- 1...Sd8
- 2.Qxd4#
- 1...Kxe3
- 1.f4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 5
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- K(c);N_SPINP(b),OGATEB,P-FLIGHT,XP(G)::QAR1(D)
- S(a);N_GUARD::QAB1(D)
- S(a);N_GUARD::QAB1(D),XS(a)
- S(d);N_GUARD::QAR1(D),XP(b)
- S(d);N_GUARD,XP(G)::QAR1(D),XP(b)
- Tries
- Try
- B(E);
- Vars
- S(d);N_GUARD,XP(G)::QAR1(D),XP(b)
- S(a);N_GUARD::QAB1(D)
- S(a);N_GUARD::QAB1(D),XS(a)
- S(d);N_GUARD::QAR1(D),XP(b)
- Refutation
- K(c);N_SPINP(b),P-FLIGHT,XP(G)
- Try
- B(E);
- Vars
- S(d);N_GUARD,XP(G)::QAR1(D),XP(b)
- S(a);N_GUARD::QAB1(D)
- S(a);N_GUARD::QAB1(D),XS(a)
- S(d);N_GUARD::QAR1(D),XP(b)
- Refutation
- K(c);N_SPINP(b),P-FLIGHT,XP(G)
- Try
- B(E);CHECK
- Vars
- K(c);N_SPINP(b),P-FLIGHT,XP(G)::S(C)
- Refutation
- K(c);N_SPINP(b),S_FLIGHT,XB(E)
- Try
- B(E);CHECK
- Refutation
- K(c);N_SPINP(b),S_FLIGHT
- Try
- B(E);
- Vars
- S(d);N_GUARD,XP(G)::QAR1(D),XP(b)
- S(a);N_GUARD::QAB1(D)
- S(a);N_GUARD::QAB1(D),XS(a)
- S(d);N_GUARD::QAR1(D),XP(b)
- Refutation
- K(c);N_SPINP(b),P-FLIGHT,XP(G)
- Try
- B(F);
- Vars
- K(c);N_SPINP(b),OGATEB,P-FLIGHT,XP(G)::QAR1(D)
- S(d);N_GUARD,XP(G)::QAR1(D),XP(b)
- S(a);N_GUARD::QAB1(D)
- S(a);N_GUARD::QAB1(D),XS(a)
- S(d);N_GUARD::QAR1(D),XP(b)
- Refutation
- P(e);XB(F)
- Try
- B(F);
- Vars
- K(c);N_SPINP(b),OGATEB,P-FLIGHT,XP(G)::QAR1(D)
- S(d);N_GUARD,XP(G)::QAR1(D),XP(b)
- S(a);N_GUARD::QAB1(D)
- S(a);N_GUARD::QAB1(D),XS(a)
- S(d);N_GUARD::QAR1(D),XP(b)
- Refutation
- S(d);XB(F)
- Try
- Q(D);CHECK,N_PINP(b)
- Refutation
- S(a);XQ(D)
- Try
- Q(D);N_PINP(b)
- Threat
- QAB1(D)
- Vars
- P(b);XS(C)::P(B)
- Refutation
- S(d);
- Try
- Q(D);N_PINP(b)
- Threat
- DUALS(2)
- Vars
- S(d);::QAR1(D)
- Refutation
- P(b);XS(C)
- Try
- P(B);CHECK
- Vars
- K(c);N_SPINP(b),P-FLIGHT,XP(G)::QAR1(D)
- Refutation
- K(c);P-FLIGHT,XS(C)
- Try
- P(G);
- Vars
- S(a);N_GUARD::QAB1(D)
- S(a);N_GUARD::QAB1(D),XS(a)
- S(d);N_GUARD::QAR1(D),XP(b)
- Refutation
- K(c);N_SPINP(b),P-FLIGHT
- Try
- Actual
- P(B);
- Vars
- K(c);OGATEB,P-FLIGHT,XS(C)::QAR1(D)
- S(d);N_GUARD,XP(G)::QAR1(D),XP(b)
- S(a);N_GUARD::QAB1(D)
- S(a);N_GUARD::QAB1(D),XS(a)
- S(d);N_GUARD::QAR1(D),XP(b)
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).