MESON Chess Problem Database
Problem Display
PID: 117418 (3Rn3/qp6/1N4pn/2pB1kN1/r3Rp1K/6Pp/b1P3r1/B7 w - - 0 1)
Llamas, Juan Garcia
SEPA, 1970
#2
9 + 12
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra3
- 2.Rxf4#
- 1...Rc4
- 2.Be6#
- 1...Rxe4
- 2.Bxe4#
- 1...Ra5
- 2.Rxf4#
- 1...Ra6
- 2.Rxf4#
- 1...Bb1
- 2.Be6#
- 1...Bc4
- 2.Rxf4#
- 1...Bxd5
- 2.Rxd5#
- 1...Sf6
- 2.Re5#
- 1...c4
- 2.Be6#
- 2.Rxf4#
- 1...Ra3
- Tries
- 1.Bc4?
- threat
- 2.Rxf4#
- 2.Rd5#
- 1...Rxg3
- 2.Rd5#
- 1...Rxc4
- 2.Rd5#
- 1...Bxc4
- 2.Rxf4#
- 1...fxg3
- 2.Rd5#
- 1...Rd2
- 2.Rxf4#
- 1...Rf2
- 2.Rd5#
- 1...Sg4
- 2.Rxf4#
- 1...Sf7
- 2.Rxf4#
- 1...Sd6
- 2.Rxf4#
- 1...Sf6
- 2.Rxf4#
- 2.Re5#
- 1...Sc7
- 2.Rxf4#
- 1...f3
- 2.Rf4#
- 2.Rd5#
- 1...Qb8!
- threat
- 1.Rc4?
- threat
- 2.Be4#
- 2.Be6#
- 1...Qxb6
- 2.Be4#
- 1...Rxc4
- 2.Be6#
- 1...Bxc4
- 2.Be4#
- 1...fxg3
- 2.Be6#
- 1...Sd6
- 2.Be6#
- 1...Sf6
- 2.Be6#
- 1...Sc7
- 2.Be4#
- 1...Sg7
- 2.Be4#
- 1...Re2!
- threat
- 1.c4?
- threat
- 2.Be6#
- 2.Rxf4#
- 1...Qxb6
- 2.Rxf4#
- 1...Rxg3
- 2.Be6#
- 1...Rxc4
- 2.Be6#
- 1...Bxc4
- 2.Rxf4#
- 1...fxg3
- 2.Be6#
- 1...Qb8
- 2.Be6#
- 1...Rf2
- 2.Be6#
- 1...Sc7
- 2.Rxf4#
- 1...Sg7
- 2.Rxf4#
- 1...f3
- 2.Be6#
- 2.Rf4#
- 1...Rb2!
- threat
- 1.Bc4?
- Keys
- 1.Sc4!
- threat
- 2.Be6#
- 2.Rxf4#
- 1...Rxg3
- 2.Be6#
- 1...Rxc4
- 2.Be6#
- 1...Bxc4
- 2.Rxf4#
- 1...fxg3
- 2.Se3#
- 2.Be6#
- 1...Qb6
- 2.Rxf4#
- 1...Qb8
- 2.Be6#
- 1...Qa6
- 2.Rxf4#
- 1...Rf2
- 2.Be6#
- 1...Ra6
- 2.Rxf4#
- 1...Sc7
- 2.Sd6#
- 2.Rxf4#
- 1...Sg7
- 2.Sd6#
- 2.Rxf4#
- 1...f3
- 2.Se3#
- 2.Be6#
- 2.Rf4#
- threat
- 1.Sc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 6
- Sets
- R(d);N_GUARD::R1(D),XP(e)
- R(d);S_CUTB(a)::B(F)
- R(d);OGATE,XR(D)::B(F),XR(d)
- B(a);N_GUARD::B(F)
- B(a);S_CUTR(d)::R1(D),XP(e)
- B(a);OGATE,XB(F)::R(I),XB(a)
- S(l);SBLOCK::R1(D)
- Tries
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- R(b);XP(C)::R(I)
- R(d);XB(F)::R(I)
- B(a);XB(F)::R1(D),XP(e)
- P(e);XP(C)::R(I)
- R(b);::R1(D),XP(e)
- R(b);::R(I)
- S(i);::R1(D),XP(e)
- S(l);::R1(D),XP(e)
- Refutation
- Q(j);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- Q(j);XS(H)::B(F)
- R(d);XR(D)::B(F)
- B(a);XR(D)::B(F)
- P(e);P_PINR(D),XP(C)::B(F)
- S(l);::B(F)
- Refutation
- R(b);
- Try
- P(B);
- Threat
- DUALS(2)
- Vars
- Q(j);XS(H)::R1(D),XP(e)
- R(b);XP(C)::B(F)
- R(d);XP(B)::B(F)
- B(a);XP(B)::R1(D),XP(e)
- P(e);XP(C)::B(F)
- Q(j);::B(F)
- R(b);::B(F)
- S(l);::R1(D),XP(e)
- Refutation
- R(b);
- Try
- Actual
- S(H);
- Threat
- DUALS(2)
- Vars
- R(b);XP(C)::B(F)
- R(d);XS(H)::B(F)
- B(a);XS(H)::R1(D),XP(e)
- Q(j);::R1(D),XP(e)
- Q(j);::B(F)
- R(b);::B(F)
- R(d);::R1(D),XP(e)
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