MESON Chess Problem Database
Problem Display
PID: 49736 (8/Kb1Rp3/4p1Qp/N3k3/1r6/2Pp2P1/4P2N/3qR2B w - - 0 1)
Rice, John Michael
Probleemblad, 2003
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Sg4#
- 2.Sc4#
- 1...Rb2
- 2.Sg4#
- 2.Sc4#
- 1...Rb3
- 2.Sg4#
- 2.Sc4#
- 1...Rc4
- 2.Sxc4#
- 1...Rd4
- 2.cxd4#
- 1...Re4
- 2.Sf3#
- 1...Rg4
- 2.Sxg4#
- 1...Rb5
- 2.Sg4#
- 2.Sc4#
- 1...Rb6
- 2.Sg4#
- 2.Sc4#
- 1...Bf3
- 2.Sxf3#
- 1...Be4
- 2.Sg4#
- 1...Ba6
- 2.Sf3#
- 2.Sc6#
- 1...Bc6
- 2.Sxc6#
- 1...Bc8
- 2.Sf3#
- 2.Sc6#
- 1...h5
- 2.Qg5#
- 1...Rb1
- Tries
- 1.Be4?
- threat
- 2.Sf3#
- 2.Sg4#
- 1...Rxe4
- 2.Sf3#
- 1...Bxe4
- 2.Sg4#
- 1...h5
- 2.Sf3#
- 1...Qxe2!
- threat
- 1.Bd5?
- threat
- 2.Sf3#
- 2.Qxe6#
- 1...exd5
- 2.Sf3#
- 2.Rxe7#
- 1...Rf4
- 2.Qxe6#
- 1...Rb6
- 2.Sf3#
- 2.Sg4#
- 2.Sc4#
- 1...Bxd5!
- threat
- 1.Bc6?
- threat
- 2.Sf3#
- 1...Bxc6
- 2.Sxc6#
- 1...Rf4!
- threat
- 1.Bxb7?
- threat
- 2.Sf3#
- 2.Sc6#
- 1...Qa1
- 2.Sf3#
- 1...Qa4
- 2.Sf3#
- 1...Ra4
- 2.Sf3#
- 1...Rc4
- 2.Sf3#
- 2.Sxc4#
- 1...Rf4
- 2.Sc6#
- 1...Rb6
- 2.Sf3#
- 2.Sg4#
- 2.Sc4#
- 1...Rxb7+!
- threat
- 1.Rd5+?
- 1...exd5
- 2.Sf3#
- 1...Bxd5!
- 1...exd5
- 1.cxb4?
- threat
- 2.Sg4#
- 2.Sc4#
- 1...Qa1
- 2.Sg4#
- 1...Qc2
- 2.Sg4#
- 1...Qb3
- 2.Sg4#
- 1...Qa4
- 2.Sg4#
- 1...Qc1
- 2.Sg4#
- 1...Bf3
- 2.Sxf3#
- 2.Sc4#
- 1...Ba6
- 2.Sf3#
- 2.Sg4#
- 2.Sc6#
- 1...h5
- 2.Sc4#
- 2.Qg5#
- 1...Bd5!
- threat
- 1.c4?
- threat
- 2.Sg4#
- 1...Rxc4
- 2.Sxc4#
- 1...Bf3
- 2.Sxf3#
- 1...h5
- 2.Qg5#
- 1...Bd5!
- threat
- 1.Be4?
- Keys
- 1.e4!
- threat
- 2.Qg7#
- 1...Rxe4
- 2.Sc4#
- 1...Bxe4
- 2.Sc6#
- 1...Qf3
- 2.Sxf3#
- 1...Qg4
- 2.Sxg4#
- threat
- 1.e4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- R(c);N_GUARD::S(G),XR(c)
- R(c);OGATE::P(E),XR(c)
- R(c);S_CUTB(g)::S(D)
- R(c);N_GUARD::S(D),XR(c)
- B(g);N_GUARD::S(D),XB(g)
- B(g);S_CUTR(c)::S(D)
- B(g);N_GUARD::S(G),XB(g)
- P(f);N_GUARD::QAR2(H)
- Tries
- Try
- B(B);
- Threat
- DUALS(2)
- Vars
- R(c);XB(B)::S(D)
- B(g);XB(B)::S(D)
- P(f);::S(D)
- Refutation
- Q(a);XP(C)
- Try
- B(B);
- Threat
- DUALS(2)
- Vars
- R(c);::QAR1(H),XP(e)
- Refutation
- B(g);XB(B)
- Try
- B(B);
- Threat
- S(D)
- Vars
- B(g);XB(B)::S(G),XB(g)
- Refutation
- R(c);
- Try
- B(B);XB(g)
- Threat
- DUALS(2)
- Vars
- Q(a);P_PINS(G)::S(D)
- R(c);P_PINS(G)::S(D)
- R(c);::S(G)
- Refutation
- R(c);CHECK,XB(B)
- Try
- R(J);CHECK
- Vars
- P(e);SBLOCK,XR(J)::S(D)
- Refutation
- B(g);XR(J)
- Try
- P(E);XR(c)
- Threat
- DUALS(2)
- Vars
- Q(a);P_PINS(G)::S(D)
- Q(a);::S(D)
- Refutation
- B(g);
- Try
- P(E);
- Threat
- S(D)
- Vars
- R(c);XP(E)::S(G),XR(c)
- B(g);N_GUARD::S(D),XB(g)
- P(f);N_GUARD::QAR2(H)
- Refutation
- B(g);
- Try
- Actual
- P(C);
- Threat
- QAB(H)
- Vars
- R(c);N_GUARD,P_SPINR(c),XP(C)::S(G)
- B(g);N_GUARD,P_SPINB(g),XP(C)::S(G)
- Q(a);N_GUARD::S(D),XQ(a)
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).