MESON Chess Problem Database
Problem Display
PID: 174758 (5r2/b7/b2R2pB/RN2pk2/8/1n2PB2/2Np1K2/3Q4 w - - 0 1)
Zajic, Helmut
The Problemist, 1988
#2
9 + 8
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Bxe3+
- 2.Sxe3#
- 1...Bb8
- 2.e4#
- 1...Sd4
- 2.e4#
- 1...e4
- 2.Sbd4#
- 1...Bxe3+
- Tries
- 1.Scd4+?
- 1...Sxd4
- 2.e4#
- 1...exd4
- 2.Sxd4#
- 1...Bxd4!
- 1...Sxd4
- 1.Sc3?
- threat
- 2.Be4#
- 2.Bg4#
- 1...Bxe3+
- 2.Sxe3#
- 1...Bb7
- 2.Bg4#
- 1...Bd3
- 2.Bg4#
- 1...Sc5
- 2.Bg4#
- 1...Be2!
- threat
- 1.Sbd4+?
- 1...Sxd4
- 2.e4#
- 1...Bxd4!
- 1...Sxd4
- 1.Bh1?
- threat
- 2.Qf3#
- 1...Bxe3+
- 2.Sxe3#
- 1...e4
- 2.Sbd4#
- 1...Sd4
- 2.e4#
- 1...Bb7!
- threat
- 1.Bg2?
- threat
- 2.Qf3#
- 1...Bxe3+
- 2.Sxe3#
- 1...e4
- 2.Sbd4#
- 1...Sd4
- 2.e4#
- 1...Bb7!
- threat
- 1.Bd5?
- threat
- 2.Qf3#
- 1...Bxe3+
- 2.Sxe3#
- 1...Sd4
- 2.e4#
- 1...e4!
- threat
- 1.Bb7?
- threat
- 2.Qf3#
- 1...Bxe3+
- 2.Sxe3#
- 1...e4
- 2.Sbd4#
- 1...Sd4
- 2.e4#
- 1...Bxb7!
- threat
- 1.Ba8?
- threat
- 2.Qf3#
- 1...Bxe3+
- 2.Sxe3#
- 1...e4
- 2.Sbd4#
- 1...Sd4
- 2.e4#
- 1...Bb7!
- threat
- 1.Qb1?
- threat
- 2.Scd4#
- 1...Bxe3+
- 2.Sxe3#
- 1...e4
- 2.Sbd4#
- 1...Bd4
- 2.Scxd4#
- 1...Sd4
- 2.Scxd4#
- 2.e4#
- 1...d1S+!
- threat
- 1.Qg1?
- threat
- 2.Qg4#
- 2.Qg5#
- 2.Qxg6#
- 1...Bxe3+
- 2.Sxe3#
- 1...e4
- 2.Sbd4#
- 2.Qg5#
- 1...Rf6
- 2.Qg4#
- 2.Qg5#
- 1...Rg8
- 2.Qg4#
- 2.Qg5#
- 1...g5
- 2.Qg4#
- 2.Qxg5#
- 1...d1S+!
- threat
- 1.Scd4+?
- Keys
- 1.Bc6!
- threat
- 2.Qf3#
- 1...Bxe3+
- 2.Sxe3#
- 1...e4
- 2.Sbd4#
- 1...Sd4
- 2.e4#
- threat
- 1.Bc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- B(g);CHECK,XP(D)::S(B),XB(g)
- B(g);N_PINP(D)::P(D)
- S(b);N_PINP(D)::P(D)
- P(c);::R(F)+S(G),DCHECK
- Tries
- Try
- S(B);CHECK,N_SPINP(D)
- Vars
- S(b);XS(B)::P(D)
- P(c);XS(B)::R(F)+S(G),DCHECK,XP(c)
- Refutation
- B(g);P_PINP(D),XS(B)
- Try
- S(G);P_PINP(c)
- Threat
- DUALS(2)
- Vars
- B(g);CHECK,XP(D)::S(B),XB(g)
- B(e);::B(E)
- S(b);N_PINP(D),N_SPINP(c)::B(E)
- Refutation
- B(e);
- Try
- S(G);CHECK,N_SPINP(D),P_PINP(c)
- Vars
- S(b);XS(G)::P(D)
- Refutation
- B(g);P_PINP(D),XS(G)
- Try
- B(E);
- Threat
- QAR2(A)
- Vars
- B(g);CHECK,XP(D)::S(B),XB(g)
- P(c);::R(F)+S(G),DCHECK
- S(b);N_PINP(D)::P(D)
- Refutation
- B(e);
- Try
- B(E);
- Threat
- QAR2(A)
- Vars
- B(g);CHECK,XP(D)::S(B),XB(g)
- P(c);::R(F)+S(G),DCHECK
- S(b);N_PINP(D)::P(D)
- Refutation
- B(e);
- Try
- B(E);
- Threat
- QAR2(A)
- Vars
- B(g);CHECK,XP(D)::S(B),XB(g)
- S(b);N_PINP(D)::P(D)
- Refutation
- P(c);
- Try
- B(E);
- Threat
- QAR2(A)
- Vars
- B(g);CHECK,XP(D)::S(B),XB(g)
- P(c);::R(F)+S(G),DCHECK
- S(b);N_PINP(D)::P(D)
- Refutation
- B(e);XB(E)
- Try
- B(E);
- Threat
- QAR2(A)
- Vars
- B(g);CHECK,XP(D)::S(B),XB(g)
- P(c);::R(F)+S(G),DCHECK
- S(b);N_PINP(D)::P(D)
- Refutation
- B(e);
- Try
- Q(A);
- Threat
- QAB(A)+S(B),DCHECK
- Vars
- B(g);CHECK,XP(D)::QAB(A)+S(B),DCHECK,XB(g)
- P(c);::R(F)+S(G),DCHECK
- B(g);::QAB(A)+S(B),DCHECK,XB(g)
- Refutation
- P(a);CHECK
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- B(g);CHECK,XP(D)::S(B),XB(g)
- Refutation
- P(a);CHECK
- Try
- Actual
- B(E);
- Threat
- QAR2(A)
- Vars
- B(g);CHECK,XP(D)::S(B),XB(g)
- P(c);::R(F)+S(G),DCHECK
- S(b);N_PINP(D)::P(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).