MESON Chess Problem Database
Problem Display
PID: 55472 (Bb1R4/p4Q2/4pP2/4k1K1/2p3P1/2p1p3/1qpPr3/B2bR3 w - - 0 1)
Paslack, Rainer
3rd HM., Troll, 1992
#2
9 + 11
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.Bxc3#
- 1...Qb1
- 2.Bxc3#
- 1...Qa2
- 2.Bxc3#
- 1...Qb5
- 2.Bxc3#
- 1...Rxd2
- 2.Rxe3#
- 1...Rf2
- 2.Rxe3#
- 1...Rg2
- 2.Rxe3#
- 1...Rh2
- 2.Rxe3#
- 1...Bc7
- 2.Qxc7#
- 1...Qc1
- Tries
- 1.Rd5+?
- 1...exd5
- 2.Qxd5#
- 1...Ke4!
- 1...exd5
- 1.Qg6?
- threat
- 2.Qe4#
- 1...Qb7
- 2.Bxc3#
- 1...exd2!
- threat
- 1.Qd7?
- threat
- 2.Qd4#
- 1...Rxd2
- 2.Rxe3#
- 1...cxd2
- 2.Qb5#
- 1...Bd6
- 2.Qxd6#
- 1...Qb6!
- threat
- 1.Qg7?
- threat
- 2.f7#
- 1...Rf2
- 2.Rxe3#
- 1...Qb7!
- threat
- 1.Rd5+?
- Keys
- 1.Qh7!
- threat
- 2.Qe4#
- 1...exd2
- 2.Qh2#
- 1...Qb7
- 2.Bxc3#
- threat
- 1.Qh7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 9
- Sets
- Q(b);OGATE,P_SPINP(e)::B(A),XP(e)
- R(d);OGATE,P_SPINP(f),XP(C)::R(B),XP(f)
- R(d);OGATE,P_SPINP(f)::R(B),XP(f)
- R(d);OGATE,P_PINP(D),P_SPINP(f)::R(B),XP(f)
- B(k);N_GUARD::QAB(G),XB(k)
- Tries
- Try
- R(I);CHECK
- Vars
- P(i);OGATE,XR(I)::QAR1(G),XP(i)
- Refutation
- K(h);P-FLIGHT
- Try
- Q(G);
- Threat
- QAR1(G)
- Vars
- Q(b);OGATE,P_SPINP(e)::B(A),XP(e)
- Refutation
- P(f);P_SPINR(d),XP(C)
- Try
- Q(G);
- Threat
- QAB1(G)
- Vars
- R(d);OGATE,P_SPINP(f),XP(C)::R(B),XP(f)
- P(e);P_SPINQ(b),XP(C)::QAR(G)
- B(k);N_GUARD::QAB1(G),XB(k)
- Refutation
- Q(b);P_SPINP(e)
- Try
- Q(G);
- Threat
- QAB(G)+P(F)
- Vars
- R(d);OGATE,P_SPINP(f)::R(B),XP(f)
- Refutation
- Q(b);P_SPINP(e)
- Try
- Actual
- Q(G);
- Threat
- QAR1(G)
- Vars
- P(f);P_SPINR(d),XP(C)::QAB(G)
- Q(b);OGATE,P_SPINP(e)::B(A),XP(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).