MESON Chess Problem Database
Problem Display
PID: 206538 (b7/1n6/NQ6/p1pP4/p1k4p/2P3pB/2P3K1/1N6 w - - 0 1)
Eichholz, Heinrich
Magyar Sakkvilag, 1925
#2
8 + 8
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Kxd5
- 2.Qe6#
- 1...Sd6
- 2.Qxc5#
- 1...Sd8
- 2.Qxc5#
- 1...a3
- 2.Qb3#
- 1...Kxd5
- Tries
- 1.Kf1?
- 1...Kxd5
- 2.Qe6#
- 1...Sd6
- 2.Qxc5#
- 1...Sd8
- 2.Qxc5#
- 1...a3
- 2.Qb3#
- 1...g2+!
- 1...Kxd5
- 1.Kg1?
- 1...Kxd5
- 2.Qe6#
- 1...Sd6
- 2.Qxc5#
- 1...Sd8
- 2.Qxc5#
- 1...a3
- 2.Qb3#
- 1...g2!
- 1...Kxd5
- 1.Kh1?
- 1...Kxd5
- 2.Qe6#
- 1...Sd6
- 2.Qxc5#
- 1...Sd8
- 2.Qxc5#
- 1...a3
- 2.Qb3#
- 1...g2+!
- 1...Kxd5
- 1.Kf3?
- 1...Kxd5
- 2.Qe6#
- 1...Sd6
- 2.Qxc5#
- 1...Sd8
- 2.Qxc5#
- 1...a3
- 2.Qb3#
- 1...g2!
- 1...Kxd5
- 1.Sd2+?
- 1...Kxd5
- 2.Qe6#
- 1...Kxc3!
- 1...Kxd5
- 1.Sa3+?
- 1...Kxd5
- 2.Qe6#
- 1...Kxc3!
- 1...Kxd5
- 1.Bg4?
- 1...Kxd5
- 2.Qe6#
- 1...Sd6
- 2.Qxc5#
- 1...Sd8
- 2.Qxc5#
- 1...a3
- 2.Qb3#
- 1...h3+!
- 1...Kxd5
- 1.Bf5?
- 1...Kxd5
- 2.Qe6#
- 1...Sd6
- 2.Qxc5#
- 1...Sd8
- 2.Qxc5#
- 1...a3
- 2.Qb3#
- 1...h3+!
- 1...Kxd5
- 1.Be6?
- threat
- 2.d6#
- 1...Sd6
- 2.Qxc5#
- 1...Sd8
- 2.Qxc5#
- 1...h3+!
- threat
- 1.Bd7?
- 1...Kxd5
- 2.Qe6#
- 1...Sd6
- 2.Qxc5#
- 1...Sd8
- 2.Qxc5#
- 1...a3
- 2.Qb3#
- 1...h3+!
- 1...Kxd5
- 1.Bc8?
- 1...Kxd5
- 2.Qe6#
- 1...Sd6
- 2.Qxc5#
- 1...Sd8
- 2.Qxc5#
- 1...a3
- 2.Qb3#
- 1...h3+!
- 1...Kxd5
- 1.Qc6?
- 1...Sd6
- 2.Qxc5#
- 1...Sd8
- 2.Qxc5#
- 1...a3!
- 1...Sd6
- 1.Qxb7?
- 1...a3
- 2.Qb3#
- 1...Bxb7!
- 1...a3
- 1.Kf1?
- Keys
- 1.Qg6!
- threat
- 2.Qd3#
- 1...Kb5
- 2.Sa3#
- 1...Kxd5
- 2.Qe6#
- threat
- 1.Qg6!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- K(c);OGATEB,S_FLIGHT,XP(F)::QAB1(H)
- S(g);N_GUARD,P_PINP(F)::QAR1(H),XP(f)
- P(b);N_GUARD::QAB1(H)
- Tries
- Try
- K(C);S_FLIGHT
- Vars
- K(c);OGATEB,S_FLIGHT,XP(F)::QAB1(H)
- S(g);N_GUARD::QAR1(H),XP(f)
- P(b);N_GUARD::QAB1(H)
- Refutation
- P(a);CHECK
- Try
- K(C);P-FLIGHT
- Vars
- K(c);OGATEB,S_FLIGHT,XP(F)::QAB1(H)
- S(g);N_GUARD::QAR1(H),XP(f)
- P(b);N_GUARD::QAB1(H)
- Refutation
- P(a);
- Try
- K(C);S_FLIGHT
- Vars
- K(c);OGATEB,S_FLIGHT,XP(F)::QAB1(H)
- S(g);N_GUARD,P_PINP(F)::QAR1(H),XP(f)
- P(b);N_GUARD::QAB1(H)
- Refutation
- P(a);CHECK
- Try
- K(C);S_FLIGHT
- Vars
- K(c);OGATEB,S_FLIGHT,XP(F)::QAB1(H)
- S(g);N_GUARD,P_PINP(F)::QAR1(H),XP(f)
- P(b);N_GUARD::QAB1(H)
- Refutation
- P(a);
- Try
- S(A);CHECK
- Vars
- K(c);S_FLIGHT,XP(F)::QAB1(H)
- Refutation
- K(c);P-FLIGHT,XP(D)
- Try
- S(A);CHECK
- Vars
- K(c);S_FLIGHT,XP(F)::QAB1(H)
- Refutation
- K(c);P-FLIGHT,XP(D)
- Try
- B(E);
- Vars
- K(c);OGATEB,S_FLIGHT,XP(F)::QAB1(H)
- S(g);N_GUARD,P_PINP(F)::QAR1(H),XP(f)
- P(b);N_GUARD::QAB1(H)
- Refutation
- P(d);CHECK
- Try
- B(E);
- Vars
- K(c);OGATEB,S_FLIGHT,XP(F)::QAB1(H)
- S(g);N_GUARD,P_PINP(F)::QAR1(H),XP(f)
- P(b);N_GUARD::QAB1(H)
- Refutation
- P(d);CHECK
- Try
- B(E);
- Threat
- B(E)+P(F)
- Vars
- S(g);N_GUARD,P_PINP(F)::QAR1(H),XP(f)
- Refutation
- P(d);CHECK
- Try
- B(E);
- Vars
- K(c);OGATEB,S_FLIGHT,XP(F)::QAB1(H)
- S(g);N_GUARD,P_PINP(F)::QAR1(H),XP(f)
- P(b);N_GUARD::QAB1(H)
- Refutation
- P(d);CHECK
- Try
- B(E);
- Vars
- K(c);OGATEB,S_FLIGHT,XP(F)::QAB1(H)
- S(g);N_GUARD,P_PINP(F)::QAR1(H),XP(f)
- P(b);N_GUARD::QAB1(H)
- Refutation
- P(d);CHECK
- Try
- Q(H);P_PINP(f)
- Vars
- S(g);N_GUARD::QAR1(H),XP(f)
- Refutation
- P(b);
- Try
- Q(H);XS(g)
- Vars
- P(b);N_GUARD::QAB1(H)
- Refutation
- B(h);P_PINP(F),XQ(H)
- Try
- Actual
- Q(H);
- Threat
- QAB1(H)
- Vars
- K(c);S_FLIGHT::S(A)
- K(c);OGATEB,S_FLIGHT,XP(F)::QAB1(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).