MESON Chess Problem Database
Problem Display
PID: 53419 (4K3/Qp4bR/2k1p3/2N2N2/8/R7/8/1B6 w - - 0 1)
Latzel, Gerhard Paul
1st Prize, Schach-Express, 1950/II
#2
7 + 4
| 45 | Schach | 1951 |
SOLUTION
- SOUND
- Sets
- 1...Kc7
- 2.Qxb7#
- 1...b5
- 2.Be4#
- 1...Kc7
- Tries
- 1.Sb3?
- threat
- 2.Qc5#
- 1...Kb5
- 2.Qc5#
- 1...Kd5
- 2.Qc5#
- 1...Bd4
- 2.Qxb7#
- 1...Bf8
- 2.Qxb7#
- 1...b5
- 2.Be4#
- 1...b6
- 2.Qd7#
- 1...Kc7!
- threat
- 1.Sd3?
- threat
- 2.Qc5#
- 1...Kb5
- 2.Qc5#
- 1...Kc7
- 2.Rc3#
- 1...Bd4
- 2.Qxb7#
- 1...Bf8
- 2.Qxb7#
- 1...b5
- 2.Sb4#
- 1...b6
- 2.Qd7#
- 1...Kd5!
- threat
- 1.Sa4?
- threat
- 2.Qc5#
- 1...Kd5
- 2.Qc5#
- 1...Kc7
- 2.Rc3#
- 1...Bd4
- 2.Qxb7#
- 1...Bf8
- 2.Qxb7#
- 1...b5
- 2.Be4#
- 2.Qd7#
- 1...b6
- 2.Qd7#
- 1...Kb5!
- threat
- 1.Sa6?
- threat
- 2.Qc5#
- 1...Kb5
- 2.Qc5#
- 1...Kd5
- 2.Qc5#
- 1...Bd4
- 2.Qxb7#
- 1...Bf8
- 2.Qxb7#
- 1...b5
- 2.Sb4#
- 2.Be4#
- 1...b6
- 2.Qd7#
- 1...bxa6!
- threat
- 1.Sxe6?
- threat
- 2.Qc5#
- 1...Kb5
- 2.Qc5#
- 1...Bd4
- 2.Qxb7#
- 1...Bf8
- 2.Qxb7#
- 1...b5
- 2.Be4#
- 1...b6
- 2.Qd7#
- 1...Kd5!
- threat
- 1.Be4+?
- 1...Kc7
- 2.Qxb7#
- 1...Kb5!
- 1...Kc7
- 1.Sb3?
- Keys
- 1.Se4!
- threat
- 2.Qc5#
- 1...Kb5
- 2.Qc5#
- 1...Kd5
- 2.Qc5#
- 1...Kc7
- 2.Rc3#
- 1...Bd4
- 2.Qxb7#
- 1...Bf8
- 2.Qxb7#
- 1...b5
- 2.Se7#
- 1...b6
- 2.Qd7#
- threat
- 1.Se4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- K(a);P-FLIGHT,P_SPINB(d),P_SPINP(c)::QAR1(E),XP(c)
- P(c);SBLOCK::B(A)
- Tries
- Try
- S(C);
- Threat
- QAR1(E)
- Vars
- K(a);S_FLIGHT::QAR1(E)
- B(d);::QAB1(E),XP(c)
- P(c);SBLOCK::B(A)
- P(c);OGATE,SBLOCK::QAB1(E)
- Refutation
- K(a);P-FLIGHT,P_SPINB(d),P_SPINP(c)
- Try
- S(C);
- Threat
- QAR1(E)
- Vars
- K(a);S_FLIGHT::QAR1(E)
- K(a);P-FLIGHT,P_SPINB(d),P_SPINP(c)::R(B)
- B(d);::QAB1(E),XP(c)
- P(c);SBLOCK::S(C)
- P(c);OGATE,SBLOCK::QAB1(E)
- Refutation
- K(a);S_FLIGHT
- Try
- S(C);
- Threat
- QAR1(E)
- Vars
- K(a);S_FLIGHT::QAR1(E)
- K(a);P-FLIGHT,P_SPINB(d),P_SPINP(c)::R(B)
- B(d);::QAB1(E),XP(c)
- P(c);OGATE::QAB1(E)
- Refutation
- K(a);S_FLIGHT
- Try
- S(C);
- Threat
- QAR1(E)
- Vars
- K(a);S_FLIGHT::QAR1(E)
- B(d);::QAB1(E),XP(c)
- P(c);OGATE,SBLOCK::QAB1(E)
- Refutation
- P(c);XS(C)
- Try
- S(C);XP(b)
- Threat
- QAR1(E)
- Vars
- K(a);S_FLIGHT::QAR1(E)
- B(d);::QAB1(E),XP(c)
- P(c);SBLOCK::B(A)
- P(c);OGATE,SBLOCK::QAB1(E)
- Refutation
- K(a);S_FLIGHT
- Try
- B(A);CHECK
- Vars
- K(a);P-FLIGHT,P_SPINB(d),P_SPINP(c)::QAR1(E),XP(c)
- Refutation
- K(a);S_FLIGHT
- Try
- Actual
- S(C);
- Threat
- QAR1(E)
- Vars
- K(a);S_FLIGHT::QAR1(E)
- K(a);P-FLIGHT,P_SPINB(d),P_SPINP(c)::R(B)
- B(d);::QAB1(E),XP(c)
- P(c);SBLOCK::S(D)
- P(c);OGATE,SBLOCK::QAB1(E)
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).