MESON Chess Problem Database
Problem Display
PID: 217865 (8/3n2P1/6BQ/3N4/1PPk1P2/N4b1R/5P2/K5B1 w - - 0 1)
Latzel, Gerhard Paul
Michaels, Jost
Deutsche Schachzeitung, 1977
#2
12 + 3
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.Rd3#
- 2.f3#
- 1...Bh1
- 2.Rd3#
- 2.f3#
- 1...Be2
- 2.f3#
- 1...Bg2
- 2.Rd3#
- 2.f3#
- 1...Bg4
- 2.Rd3#
- 2.f3#
- 1...Bxd5
- 2.Rd3#
- 1...Bh5
- 2.Rd3#
- 2.f3#
- 1...Bd1
- Tries
- 1.Sc3?
- threat
- 2.Scb5#
- 1...Bc6
- 2.Se2#
- 2.Rd3#
- 1...Kxc3!
- threat
- 1.Sc7?
- threat
- 2.Scb5#
- 1...Bc6
- 2.Se6#
- 2.Rd3#
- 1...Kc3!
- threat
- 1.Bb1?
- 1...Sc5
- 2.Qf6#
- 1...Bd1
- 2.f3#
- 1...Bh1
- 2.f3#
- 1...Be2
- 2.f3#
- 1...Bg2
- 2.f3#
- 1...Be4
- 2.f3#
- 1...Bg4
- 2.f3#
- 1...Bh5
- 2.f3#
- 1...Se5
- 2.Qb6#
- 1...Sb6
- 2.Qxb6#
- 2.Qf6#
- 1...Sf6
- 2.Qxf6#
- 1...Sb8
- 2.Qb6#
- 2.Qf6#
- 1...Sf8
- 2.Qb6#
- 2.Qf6#
- 1...Bxd5!
- 1...Sc5
- 1.Bc2?
- 1...Sc5
- 2.Qf6#
- 1...Bd1
- 2.f3#
- 1...Bh1
- 2.f3#
- 1...Be2
- 2.f3#
- 1...Bg2
- 2.f3#
- 1...Be4
- 2.f3#
- 1...Bg4
- 2.f3#
- 1...Bh5
- 2.f3#
- 1...Se5
- 2.Qb6#
- 1...Sb6
- 2.Qxb6#
- 2.Qf6#
- 1...Sf6
- 2.Qxf6#
- 1...Sb8
- 2.Qb6#
- 2.Qf6#
- 1...Sf8
- 2.Qb6#
- 2.Qf6#
- 1...Bxd5!
- 1...Sc5
- 1.Bf5?
- 1...Bxd5
- 2.Rd3#
- 1...Sc5
- 2.Qf6#
- 1...Bd1
- 2.Rd3#
- 2.f3#
- 1...Bh1
- 2.Rd3#
- 2.f3#
- 1...Be2
- 2.f3#
- 1...Bg2
- 2.Rd3#
- 2.f3#
- 1...Bg4
- 2.Rd3#
- 2.f3#
- 1...Bh5
- 2.Rd3#
- 2.f3#
- 1...Se5
- 2.Qb6#
- 1...Sb6
- 2.Qxb6#
- 2.Qf6#
- 1...Sf6
- 2.Qxf6#
- 1...Sb8
- 2.Qb6#
- 2.Qf6#
- 1...Sf8
- 2.Qb6#
- 2.Qf6#
- 1...Be4!
- 1...Bxd5
- 1.Bh7?
- 1...Bxd5
- 2.Rd3#
- 1...Sc5
- 2.Qf6#
- 1...Bd1
- 2.Rd3#
- 2.f3#
- 1...Bh1
- 2.Rd3#
- 2.f3#
- 1...Be2
- 2.f3#
- 1...Bg2
- 2.Rd3#
- 2.f3#
- 1...Bg4
- 2.Rd3#
- 2.f3#
- 1...Bh5
- 2.Rd3#
- 2.f3#
- 1...Se5
- 2.Qb6#
- 1...Sb6
- 2.Qxb6#
- 2.Qf6#
- 1...Sf6
- 2.Qxf6#
- 1...Sb8
- 2.Qb6#
- 2.Qf6#
- 1...Sf8
- 2.Qb6#
- 2.Qf6#
- 1...Be4!
- 1...Bxd5
- 1.Qg5?
- 1...Bxd5
- 2.Rd3#
- 2.Qxd5#
- 1...Sc5
- 2.Qf6#
- 2.Qe5#
- 1...Bd1
- 2.Rd3#
- 2.f3#
- 1...Bh1
- 2.Rd3#
- 2.f3#
- 1...Be2
- 2.f3#
- 1...Bg2
- 2.Rd3#
- 2.f3#
- 1...Bg4
- 2.Rd3#
- 2.f3#
- 1...Bh5
- 2.Rd3#
- 2.f3#
- 1...Se5
- 2.Qxe5#
- 1...Sb6
- 2.Qf6#
- 2.Qe5#
- 1...Sf6
- 2.Qxf6#
- 2.Qe5#
- 1...Sb8
- 2.Qf6#
- 2.Qe5#
- 1...Sf8
- 2.Qf6#
- 2.Qe5#
- 1...Be4!
- 1...Bxd5
- 1.Qh5?
- 1...Bxd5
- 2.Rd3#
- 2.Qd1#
- 2.Qxd5#
- 1...Bxh5
- 2.Rd3#
- 2.f3#
- 1...Sc5
- 2.Qe5#
- 1...Bd1
- 2.Rd3#
- 2.Qxd1#
- 2.f3#
- 1...Bh1
- 2.Rd3#
- 2.Qd1#
- 2.f3#
- 1...Be2
- 2.f3#
- 1...Bg2
- 2.Rd3#
- 2.Qd1#
- 2.f3#
- 1...Bg4
- 2.Rd3#
- 2.f3#
- 1...Se5
- 2.Qxe5#
- 1...Sb6
- 2.Qe5#
- 1...Sf6
- 2.Qe5#
- 1...Sb8
- 2.Qe5#
- 1...Sf8
- 2.Qe5#
- 1...Be4!
- 1...Bxd5
- 1.Sc3?
- Keys
- 1.f5!
- threat
- 2.Qe3#
- 1...Kd3
- 2.Qe3#
- 1...Ke4
- 2.Qe3#
- 1...Ke5
- 2.Qf4#
- 1...Be4
- 2.f4#
- threat
- 1.f5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 2
- Sets
- B(a);OGATE::B(B)+P(C)
- B(a);OGATE,XS(I)::R1(E)
- Tries
- Try
- S(I);
- Threat
- S(I)
- Refutation
- K(b);P_SPINB(a),S_FLIGHT,XS(I)
- Try
- S(I);
- Threat
- S(I)
- Refutation
- K(b);P_SPINB(a),S_FLIGHT
- Try
- B(J);
- Vars
- S(c);N_GUARD::QAB(K)
- B(a);OGATE::B(B)+P(C)
- S(c);N_GUARD::QAB(K),XS(c)
- Refutation
- B(a);XS(I)
- Try
- B(J);
- Vars
- S(c);N_GUARD::QAB(K)
- B(a);OGATE::B(B)+P(C)
- S(c);N_GUARD::QAB(K),XS(c)
- Refutation
- B(a);XS(I)
- Try
- B(J);
- Vars
- B(a);OGATE,XS(I)::R1(E)
- S(c);N_GUARD::QAB(K)
- B(a);OGATE::B(B)+P(C)
- S(c);N_GUARD::QAB(K),XS(c)
- Refutation
- B(a);
- Try
- B(J);
- Vars
- B(a);OGATE,XS(I)::R1(E)
- S(c);N_GUARD::QAB(K)
- B(a);OGATE::B(B)+P(C)
- S(c);N_GUARD::QAB(K),XS(c)
- Refutation
- B(a);
- Try
- Q(K);
- Vars
- B(a);OGATE::B(B)+P(C)
- S(c);N_GUARD::QAB1(K),XS(c)
- Refutation
- B(a);
- Try
- Q(K);
- Vars
- S(c);N_GUARD::QAB1(K)
- B(a);OGATE::B(B)+P(C)
- S(c);N_GUARD::QAB1(K),XS(c)
- Refutation
- B(a);
- Try
- Actual
- P(H);
- Threat
- QAB1(K)
- Vars
- K(b);P-FLIGHT,P_SPINB(a)::QAR1(K)
- K(b);P-FLIGHT::QAR1(K)
- K(b);S_FLIGHT::QAB1(K)
- B(a);OGATE,SBLOCK::B(B)+P(C)
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).