MESON Chess Problem Database
Problem Display
PID: 224654 (7B/6r1/1Q1p1N2/Rb1pk3/6B1/6P1/3P4/3RK3 w - - 0 1)
L'Hermet, Johann Georg Rudolf
Deutsche Schachzeitung, 1888
#2
9 + 5
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rg5
- 2.Qe3#
- 2.d4#
- 1...Rg6
- 2.Qe3#
- 2.d4#
- 1...Ra7
- 2.Qe3#
- 2.d4#
- 1...Rb7
- 2.Qe3#
- 2.d4#
- 1...Rc7
- 2.Qe3#
- 2.d4#
- 1...Rd7
- 2.Qe3#
- 2.d4#
- 1...Re7
- 2.Qe3#
- 2.d4#
- 1...Rf7
- 2.Qe3#
- 2.d4#
- 1...Rh7
- 2.Qe3#
- 2.d4#
- 1...Rg8
- 2.Qe3#
- 2.d4#
- 1...Bf1
- 2.Qb2#
- 1...Be2
- 2.Qb2#
- 1...Bd3
- 2.Qb2#
- 1...Ba4
- 2.Qb2#
- 1...Bc4
- 2.Qb2#
- 1...Ba6
- 2.Qb2#
- 1...Bc6
- 2.Qb2#
- 1...Bd7
- 2.Qb2#
- 1...Be8
- 2.Qb2#
- 1...Rg5
- Tries
- 1.Sd7+?
- 1...Ke4
- 2.Qe3#
- 1...Bxd7!
- 1...Ke4
- 1.Bxg7?
- threat
- 2.Qe3#
- 2.d4#
- 1...Bd3
- 2.Rxd5#
- 2.Qb2#
- 1...d4!
- threat
- 1.Qf2?
- threat
- 2.Qf4#
- 2.d4#
- 1...Bd3
- 2.Rxd5#
- 2.Qf4#
- 1...d4
- 2.Qf4#
- 2.Qf5#
- 1...Rxg4!
- threat
- 1.Qxb5?
- threat
- 2.Qb2#
- 1...Kd4
- 2.Qxd5#
- 1...Rxg4
- 2.Qxd5#
- 1...Rb7
- 2.Qxd5#
- 2.d4#
- 1...Rc7
- 2.Qxd5#
- 2.d4#
- 1...Kxf6!
- threat
- 1.Qxd6+?
- 1...Kd4
- 2.Qxd5#
- 1...Kxd6!
- 1...Kd4
- 1.Sd7+?
- Keys
- 1.Qb7!
- 1...Kd4
- 2.Qxd5#
- 1...Kxf6
- 2.Qxg7#
- 1...Rxg4
- 2.Qxd5#
- 1...Rxb7
- 2.d4#
- 1...Bd3
- 2.Qb2#
- 1...Rg5
- 2.Qxd5#
- 2.d4#
- 1...Rg6
- 2.Qxd5#
- 2.d4#
- 1...Rc7
- 2.Qxd5#
- 2.d4#
- 1...Rd7
- 2.Qxd5#
- 2.d4#
- 1...Re7
- 2.Qxd5#
- 2.d4#
- 1...Rf7
- 2.Qxd5#
- 2.d4#
- 1...Rh7
- 2.Qxd5#
- 2.d4#
- 1...Rg8
- 2.Qxd5#
- 2.d4#
- 1...Bf1
- 2.Qb2#
- 1...Be2
- 2.Qb2#
- 1...Ba4
- 2.Qb2#
- 1...Bc4
- 2.Qb2#
- 1...Ba6
- 2.Qb2#
- 1...Bc6
- 2.Qb2#
- 1...Bd7
- 2.Qb2#
- 1...Be8
- 2.Qb2#
- 1...d4
- 2.Sd7#
- 1...Kd4
- 1.Qb7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- B(a);OGATE,P_SPINP(b)::QAB(G)
- Tries
- Try
- S(H);CHECK,P_PINR(e)
- Vars
- K(c);N_SPINR(e),P-FLIGHT::QAR1(G)
- Refutation
- B(a);P_SPINP(b),XS(H)
- Try
- B(I);XR(e)
- Threat
- DUALS(2)
- Refutation
- P(b);P_SPINB(a)
- Try
- Q(G);
- Threat
- DUALS(2)
- Refutation
- R(e);XB(E)
- Try
- Q(G);P_PINP(b),XB(a)
- Threat
- QAB(G)
- Vars
- K(c);N_SPINP(b),S_FLIGHT::QAR1(G),XP(b)
- R(e);XB(E)::QAR1(G),XP(b)
- Refutation
- K(c);N_SPINP(b),P_SPINR(e),S_FLIGHT,XS(H)
- Try
- Q(G);CHECK,XP(d)
- Vars
- K(c);P_SPINP(b),S_FLIGHT::QAR1(G),XP(b)
- Refutation
- K(c);S_FLIGHT,XQ(G)
- Try
- Actual
- Q(G);
- Vars
- K(c);S_FLIGHT::QAR1(G),XP(b)
- K(c);OGATEB,P_SPINR(e),S_FLIGHT,XS(H)::QAB1(G),XR(e)
- R(e);XB(E)::QAR1(G),XP(b)
- R(e);XQ(G)::P(C)
- B(a);OGATE,P_SPINP(b)::QAB(G)
- P(b);P_SPINB(a),SBLOCK::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).