MESON Chess Problem Database
Problem Display
PID: 96362 (8/p2B4/2NpnP2/3k4/r2P1r2/5P2/3N2Qp/2RR2bK w - - 0 1)
Delobel, Bernard
Problemesis, 2005
#2
10 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxf3
- 2.Qxf3#
- 1...Re4
- 2.fxe4#
- 1...Rg4
- 2.fxg4#
- 1...Rh4
- 2.f4#
- 1...Rf5
- 2.f4#
- 1...Rxf6
- 2.f4#
- 1...Rxf3
- Tries
- 1.Sb1?
- threat
- 2.Se7#
- 1...Raxd4
- 2.Qa2#
- 1...Rxf3
- 2.Qxf3#
- 1...Rfxd4
- 2.f4#
- 1...Sxd4
- 2.Qg8#
- 1...Bxd4!
- threat
- 1.Qg5+?
- 1...Rf5
- 2.Qxf5#
- 1...Sxg5!
- 1...Rf5
- 1.Qg8?
- threat
- 2.Bxe6#
- 2.Qxe6#
- 1...Rc4
- 2.Qxe6#
- 1...Re4
- 2.fxe4#
- 1...Rxf6!
- threat
- 1.Sb1?
- Keys
- 1.Sf1!
- threat
- 2.Se7#
- 1...Raxd4
- 2.Qa2#
- 1...Rxf3
- 2.Qxf3#
- 1...Rfxd4
- 2.f4#
- 1...Bxd4
- 2.Se3#
- 1...Sxd4
- 2.Qg8#
- threat
- 1.Sf1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 5
- Sets
- R(d);OGATE,P_SPINR(d),XP(F)::QAB(E),XR(d)
- R(d);OGATE::P(F),XR(d)
- R(d);OGATE::QAB(E)+P(F),XR(d)
- R(d);OGATE::QAB(E)+P(F)
- R(d);OGATE,XP(I)::QAB(E)+P(F)
- Tries
- Try
- S(D);
- Threat
- S(H)
- Vars
- R(c);N_GUARD,P_SPINR(c),XP(G)::QAB(E)
- R(d);OGATE,P_SPINR(d),XP(F)::QAB(E),XR(d)
- R(d);OGATE,P_SPINR(d),XP(G)::QAB(E)+P(F)
- S(g);OGATEB,P_SPINS(g),XP(G)::QAB(E)
- Refutation
- B(a);P_SPINB(a),XP(G)
- Try
- Q(E);CHECK
- Vars
- R(d);N_GUARD,P_SPINR(d)::QAR2(E),XR(d)
- Refutation
- S(g);XQ(E)
- Try
- Q(E);P_PINS(g)
- Threat
- DUALS(2)
- Vars
- R(c);::QAB1(E),XS(g)
- R(d);OGATE::P(F),XR(d)
- Refutation
- R(d);XP(I)
- Try
- Actual
- S(D);
- Threat
- S(H)
- Vars
- R(c);N_GUARD,P_SPINR(c),XP(G)::QAB(E)
- R(d);OGATE,P_SPINR(d),XP(F)::QAB(E),XR(d)
- R(d);OGATE,P_SPINR(d),XP(G)::QAB(E)+P(F)
- B(a);N_GUARD,P_SPINB(a),XP(G)::S(D)
- S(g);OGATEB,P_SPINS(g),XP(G)::QAB(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).