MESON Chess Problem Database
Problem Display
PID: 23259 (1b2b3/1nr2nq1/1p3p2/1r6/4R3/PPkN1NR1/K2pP3/3B4 w - - 0 1)
Lynn, David P
3rd HM., Buletin Problemistic-25 JT, 1997
#2
9 + 11
SOLUTION
- SOUND
- Sets
- 1...Rc4
- 2.Rxc4#
- 1...Rd7
- 2.Rc4#
- 1...Re7
- 2.Rc4#
- 1...Bc6
- 2.Rc4#
- 1...Sc5
- 2.Rc4#
- 1...Rc4
- Tries
- 1.Sb2?
- threat
- 2.Sa4#
- 2.Sg5#
- 2.Re3#
- 1...Qxg3
- 2.Sa4#
- 2.Re3#
- 1...Rxb3
- 2.Sg5#
- 2.Re3#
- 1...Qh6
- 2.Sa4#
- 2.Sg5#
- 1...Qg4
- 2.Sa4#
- 2.Re3#
- 1...Qg5
- 2.Sa4#
- 2.Sxg5#
- 1...Qg6
- 2.Sa4#
- 2.Sg5#
- 1...Qh7
- 2.Sa4#
- 2.Se1#
- 2.Sg1#
- 2.Sh2#
- 2.Sd4#
- 2.Sh4#
- 2.Se5#
- 2.Sg5#
- 1...Rb4
- 2.Sg5#
- 2.Re3#
- 1...Ra5
- 2.Sg5#
- 2.Re3#
- 1...Rbc5
- 2.Sg5#
- 2.Re3#
- 1...Re5
- 2.Sg5#
- 1...Rf5
- 2.Re3#
- 1...Rg5
- 2.Sxg5#
- 2.Re3#
- 1...Rh5
- 2.Sg5#
- 2.Re3#
- 1...Rc4
- 2.Re3#
- 2.Rxc4#
- 1...Rcc5
- 2.Sa4#
- 2.Re3#
- 1...Rc6
- 2.Sa4#
- 2.Re3#
- 1...Rd7
- 2.Sa4#
- 2.Rc4#
- 1...Re7
- 2.Sa4#
- 2.Rc4#
- 1...Rc8
- 2.Sa4#
- 2.Re3#
- 1...Sc5
- 2.Rc4#
- 1...Se5
- 2.Sa4#
- 1...Sg5
- 2.Sa4#
- 2.Sxg5#
- 2.Re3#
- 1...Rd5!
- threat
- 1.Sb4?
- threat
- 2.Sg5#
- 2.Re3#
- 1...Qxg3
- 2.Re3#
- 1...Rd5
- 2.Sxd5#
- 1...Qh6
- 2.Sg5#
- 1...Qg4
- 2.Re3#
- 1...Qg5
- 2.Sxg5#
- 1...Qg6
- 2.Sg5#
- 1...Qh7
- 2.Se1#
- 2.Sg1#
- 2.Sh2#
- 2.Sd4#
- 2.Sh4#
- 2.Se5#
- 2.Sg5#
- 1...Re5
- 2.Sg5#
- 1...Rf5
- 2.Re3#
- 1...Rg5
- 2.Sxg5#
- 2.Re3#
- 1...Rc4
- 2.Re3#
- 2.Rxc4#
- 1...Rcc5
- 2.Re3#
- 1...Rc6
- 2.Re3#
- 1...Rd7
- 2.Rc4#
- 1...Re7
- 2.Rc4#
- 1...Rc8
- 2.Re3#
- 1...Sc5
- 2.Sd5#
- 2.Rc4#
- 1...Sg5
- 2.Sxg5#
- 2.Re3#
- 1...Se5!
- threat
- 1.Sf4?
- threat
- 2.Sg5#
- 2.Re3#
- 1...Qxg3
- 2.Re3#
- 1...Rxb3
- 2.Sg5#
- 2.Sd5#
- 1...Rd5
- 2.Sxd5#
- 1...Qg4
- 2.Re3#
- 1...Qg5
- 2.Sxg5#
- 2.Re3#
- 1...Qg6
- 2.Sg5#
- 1...Qh7
- 2.Se1#
- 2.Sg1#
- 2.Sh2#
- 2.Sd4#
- 2.Sh4#
- 2.Se5#
- 2.Sg5#
- 1...Re5
- 2.Sg5#
- 1...Rg5
- 2.Sxg5#
- 2.Re3#
- 1...Rd7
- 2.Rc4#
- 1...Re7
- 2.Sg5#
- 2.Rc4#
- 1...Sc5
- 2.Sd5#
- 2.Rc4#
- 1...Sg5
- 2.Sxg5#
- 2.Re3#
- 1...Se5!
- threat
- 1.Sb2?
- Keys
- 1.Sc5!
- threat
- 2.Sg5#
- 2.Sa4#
- 2.Re3#
- 2.Rc4#
- 1...Qxg3
- 2.Sa4#
- 2.Re3#
- 2.Rc4#
- 1...Rxb3
- 2.Sg5#
- 1...Rbxc5
- 2.Sg5#
- 2.Re3#
- 1...Rcxc5
- 2.Re3#
- 1...Sxc5
- 2.Rc4#
- 1...bxc5
- 2.Sg5#
- 2.Re3#
- 2.Rc4#
- 1...Qh6
- 2.Sg5#
- 2.Sa4#
- 2.Rc4#
- 1...Qg4
- 2.Sa4#
- 2.Re3#
- 1...Qg5
- 2.Sxg5#
- 2.Sa4#
- 2.Rc4#
- 1...Qg6
- 2.Sg5#
- 2.Sa4#
- 2.Rc4#
- 1...Qh7
- 2.Se1#
- 2.Sg1#
- 2.Sh2#
- 2.Sd4#
- 2.Sh4#
- 2.Se5#
- 2.Sg5#
- 2.Sa4#
- 2.Rc4#
- 1...Rb4
- 2.Sg5#
- 2.Re3#
- 1...Ra5
- 2.Sg5#
- 2.Re3#
- 2.Rc4#
- 1...Rc6
- 2.Sa4#
- 2.Re3#
- 2.Rc4#
- 1...Rd7
- 2.Sa4#
- 2.Rc4#
- 1...Re7
- 2.Sa4#
- 2.Rc4#
- 1...Rc8
- 2.Sa4#
- 2.Re3#
- 2.Rc4#
- 1...Sa5
- 2.Sg5#
- 2.Sa4#
- 2.Re3#
- 1...Sbd6
- 2.Sg5#
- 2.Sa4#
- 2.Re3#
- 1...Se5
- 2.Sa4#
- 1...Sg5
- 2.Sxg5#
- 2.Sa4#
- 2.Re3#
- 2.Rc4#
- 1...Sfd6
- 2.Sg5#
- 2.Sa4#
- 2.Re3#
- threat
- 1.Sc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- R(g);N_GUARD::R1(I),XR(g)
- R(g);N_GUARD::R1(I)
- B(k);S_CUTR(g)::R1(I)
- S(f);S_CUTR(g)::R1(I)
- Tries
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- R(c);::R(H)+S(G)
- R(c);::R(I)
- S(f);S_CUTR(g)::R1(I)
- S(h);::S(F)
- Refutation
- R(c);
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- Q(i);XR(H)::R(I)
- R(c);N_GUARD::S(F),XR(c)
- Q(i);::R(H)+S(G)
- Q(i);::R(I)
- Q(i);::R(H)+S(G),XQ(i)
- R(c);::R(H)+S(G)
- R(c);::R(I)
- R(g);::R(I)
- R(g);N_GUARD::R1(I)
- Refutation
- S(h);
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- Q(i);XR(H)::R(I)
- R(c);N_GUARD::S(F),XR(c)
- Q(i);::R(I)
- Q(i);::R(H)+S(G)
- R(c);::R(H)+S(G)
- R(g);N_GUARD::R1(I)
- Refutation
- S(h);
- Try
- Actual
- S(F);
- Threat
- DUALS(4)
- Vars
- R(c);XP(E)::R(H)+S(G)
- R(g);XS(F)::R(I)
- S(f);XS(F)::R1(I)
- S(h);::S(F)
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