MESON Chess Problem Database
Problem Display
PID: 178141 (1N6/6p1/3p2P1/1Q1pkpP1/4b2R/3p1p1B/3P1K2/8 w - - 0 1)
Zilahi, Zoltan
3rd Prize, Schach-Echo, 1955
#2
8 + 8
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Kd4
- 2.Sc6#
- 1...Ke6
- 2.Qe8#
- 1...f4
- 2.Sc6#
- 1...Kd4
- Tries
- 1.Ke1?
- 1...Kd4
- 2.Sc6#
- 1...Ke6
- 2.Qe8#
- 1...f4
- 2.Sc6#
- 1...f2+!
- 1...Kd4
- 1.Kf1?
- 1...Kd4
- 2.Sc6#
- 1...Ke6
- 2.Qe8#
- 1...f4
- 2.Sc6#
- 1...f2!
- 1...Kd4
- 1.Kg1?
- 1...Kd4
- 2.Sc6#
- 1...Ke6
- 2.Qe8#
- 1...f4
- 2.Sc6#
- 1...f2+!
- 1...Kd4
- 1.Ke3?
- threat
- 2.Qe8#
- 1...Ke6
- 2.Qe8#
- 1...f4+!
- threat
- 1.Sd7+?
- 1...Kd4
- 2.Qa4#
- 2.Qb4#
- 1...Ke6!
- 1...Kd4
- 1.Bf1?
- 1...Kd4
- 2.Sc6#
- 1...Ke6
- 2.Qe8#
- 1...f4!
- 1...Kd4
- 1.Rf4?
- 1...Kd4
- 2.Sc6#
- 1...Ke6
- 2.Qe8#
- 1...Kxf4!
- 1...Kd4
- 1.Rh5?
- 1...Kd4
- 2.Sc6#
- 1...Ke6
- 2.Qe8#
- 1...f4
- 2.Sc6#
- 1...Kf4!
- 1...Kd4
- 1.Rh7?
- 1...Kd4
- 2.Sc6#
- 1...Ke6
- 2.Qe8#
- 1...f4
- 2.Sc6#
- 1...Kf4!
- 1...Kd4
- 1.Rh8?
- 1...Kd4
- 2.Sc6#
- 1...Ke6
- 2.Re8#
- 2.Qe8#
- 1...f4
- 2.Sc6#
- 1...Kf4!
- 1...Kd4
- 1.Qa4?
- 1...Ke6
- 2.Qe8#
- 1...f4
- 2.Sc6#
- 2.Sd7#
- 1...d4!
- 1...Ke6
- 1.Qc4?
- 1...Ke6
- 2.Rxe4#
- 1...d4
- 2.Sd7#
- 1...f4
- 2.Sc6#
- 2.Sd7#
- 1...dxc4!
- 1...Ke6
- 1.Qa5?
- 1...Kd4
- 2.Qc3#
- 1...f4
- 2.Sc6#
- 1...Ke6!
- 1...Kd4
- 1.Ke1?
- Keys
- 1.Qb3!
- 1...Kd4
- 2.Qc3#
- 1...Ke6
- 2.Rxe4#
- 1...d4
- 2.Sd7#
- 1...f4
- 2.Sc6#
- 1...Kd4
- 1.Qb3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(e);N_SPINP(d),P_SPINB(c),S_FLIGHT::S(H)
- K(e);N_SPINP(d),P-FLIGHT,P_SPINP(f)::QAR2(E)
- P(f);::S(H)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- K(e);N_SPINP(d),P_SPINB(c),S_FLIGHT::S(H)
- K(e);N_SPINP(d),P-FLIGHT,P_SPINP(f)::QAR2(E)
- P(f);::S(H)
- Refutation
- P(b);CHECK
- Try
- K(B);P-FLIGHT
- Vars
- K(e);N_SPINP(d),P_SPINB(c),S_FLIGHT::S(H)
- K(e);N_SPINP(d),P-FLIGHT,P_SPINP(f)::QAR2(E)
- P(f);::S(H)
- Refutation
- P(b);
- Try
- K(B);S_FLIGHT
- Vars
- K(e);N_SPINP(d),P_SPINB(c),S_FLIGHT::S(H)
- K(e);N_SPINP(d),P-FLIGHT,P_SPINP(f)::QAR2(E)
- P(f);::S(H)
- Refutation
- P(b);CHECK
- Try
- K(B);S_FLIGHT
- Threat
- QAR(E)
- Vars
- K(e);N_SPINP(d),P-FLIGHT,P_SPINP(f)::QAR2(E)
- Refutation
- P(f);CHECK
- Try
- S(H);CHECK
- Refutation
- K(e);N_SPINP(d),P-FLIGHT,P_SPINP(f)
- Try
- B(C);
- Vars
- K(e);N_SPINP(d),P_SPINB(c),S_FLIGHT::S(H)
- K(e);N_SPINP(d),P-FLIGHT::QAR2(E)
- Refutation
- P(f);
- Try
- R(D);
- Vars
- K(e);N_SPINP(d),P_SPINB(c),S_FLIGHT::S(H)
- K(e);N_SPINP(d),P-FLIGHT,P_SPINP(f)::QAR2(E)
- Refutation
- K(e);N_SPINP(d),S_FLIGHT,XR(D)
- Try
- R(D);
- Vars
- K(e);N_SPINP(d),S_FLIGHT::S(H)
- K(e);N_SPINP(d),P-FLIGHT,P_SPINP(f)::QAR2(E)
- P(f);SBLOCK::S(H)
- Refutation
- K(e);N_SPINP(d),S_FLIGHT
- Try
- R(D);
- Vars
- K(e);N_SPINP(d),S_FLIGHT::S(H)
- K(e);N_SPINP(d),P-FLIGHT,P_SPINP(f)::QAR2(E)
- P(f);SBLOCK::S(H)
- Refutation
- K(e);N_SPINP(d),S_FLIGHT
- Try
- R(D);
- Vars
- K(e);N_SPINP(d),S_FLIGHT::S(H)
- P(f);SBLOCK::S(H)
- Refutation
- K(e);N_SPINP(d),S_FLIGHT
- Try
- Q(E);N_PINP(d)
- Vars
- K(e);P-FLIGHT,P_SPINP(f)::QAR2(E)
- Refutation
- P(d);
- Try
- Q(E);N_PINP(d)
- Vars
- K(e);P-FLIGHT,P_SPINP(d)::R(D),XB(c)
- P(d);::S(H)
- Refutation
- P(d);XQ(E)
- Try
- Q(E);
- Vars
- K(e);N_SPINP(d),P_SPINB(c),S_FLIGHT::QAB1(E)
- P(f);::S(H)
- Refutation
- K(e);N_SPINP(d),P-FLIGHT,P_SPINP(f)
- Try
- Actual
- Q(E);N_PINP(d)
- Vars
- K(e);P_SPINB(c),S_FLIGHT::QAB1(E)
- K(e);P-FLIGHT,P_SPINP(d)::R(D),XB(c)
- P(d);SBLOCK::S(H)
- P(f);::S(H)
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).