MESON Chess Problem Database
Problem Display
PID: 101785 (1qb5/1N2r3/3b2B1/5rn1/4k3/2B5/5RN1/3R1K2 w - - 0 1)
di Scala, Pascal
diagrammes, 1989
#2
7 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qa7
- 2.Sxd6#
- 1...Qa8
- 2.Sxd6#
- 1...Re5
- 2.Rd4#
- 2.Rf4#
- 1...Re6
- 2.Bxf5#
- 1...Rc7
- 2.Sxd6#
- 1...Rd7
- 2.Bxf5#
- 1...Bh2
- 2.Sc5#
- 1...Bg3
- 2.Sc5#
- 1...Bf4
- 2.Sc5#
- 1...Bc5
- 2.Sxc5#
- 1...Be5
- 2.Sc5#
- 1...Bc7
- 2.Sc5#
- 1...Bxb7
- 2.Bxf5#
- 1...Sf3
- 2.Re2#
- 1...Se6
- 2.Bxf5#
- 1...Qa7
- Tries
- 1.Bg7?
- threat
- 2.Rd4#
- 1...Qa7
- 2.Sxd6#
- 1...Re5
- 2.Rf4#
- 1...Bc5
- 2.Sxc5#
- 1...Be5
- 2.Sc5#
- 1...Sf3
- 2.Re2#
- 1...Se6
- 2.Bxf5#
- 1...Rxg7!
- threat
- 1.Bh8?
- threat
- 2.Rd4#
- 1...Qa7
- 2.Sxd6#
- 1...Re5
- 2.Rf4#
- 1...Bc5
- 2.Sxc5#
- 1...Be5
- 2.Sc5#
- 1...Sf3
- 2.Re2#
- 1...Se6
- 2.Bxf5#
- 1...Rg7!
- threat
- 1.Rxd6?
- threat
- 2.Sc5#
- 2.Rf4#
- 1...Qxb7
- 2.Rf4#
- 1...Rxb7
- 2.Rf4#
- 1...Bxb7
- 2.Bxf5#
- 2.Rf4#
- 1...Qa7
- 2.Rf4#
- 1...Qc7
- 2.Rf4#
- 1...Re5
- 2.Rf4#
- 2.Rd4#
- 1...Rc7
- 2.Rf4#
- 1...Sf3
- 2.Sc5#
- 2.Re2#
- 1...Sh3
- 2.Sc5#
- 1...Se6
- 2.Bxf5#
- 1...Qxd6!
- threat
- 1.Rxf5?
- threat
- 2.Rd4#
- 2.Rf4#
- 1...Bf4
- 2.Rxf4#
- 1...Qa7
- 2.Sxd6#
- 2.Rf4#
- 1...Bc5
- 2.Sxc5#
- 2.Rf4#
- 1...Be5
- 2.Sc5#
- 2.Rf4#
- 1...Sf3
- 2.Rf4#
- 2.Re5#
- 1...Se6
- 2.Rf2#
- 2.Rf4#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Bxf5!
- threat
- 1.Bg7?
- Keys
- 1.Bf6!
- threat
- 2.Rd4#
- 1...Qa7
- 2.Sxd6#
- 1...Re5
- 2.Rf4#
- 1...Bc5
- 2.Sxc5#
- 1...Be5
- 2.Sc5#
- 1...Sf3
- 2.Re2#
- 1...Se6
- 2.Bxf5#
- threat
- 1.Bf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- Q(f);N_GUARD::S(G),XB(d)
- R(e);S_CUTB(g)::B(F),XR(b)
- R(e);S_CUTQ(f)::S(G),XB(d)
- B(d);N_GUARD::S(G)
- B(d);N_GUARD,N_PINR(C)::S(G)
- B(d);N_GUARD::S(G),XB(d)
- B(g);N_GUARD,XS(G)::B(F),XR(b)
- S(c);N_PINR(C),SBLOCK::R(C)
- S(c);S_CUTB(g)::B(F),XR(b)
- Tries
- Try
- B(E);
- Threat
- R1(A)
- Vars
- Q(f);N_GUARD::S(G),XB(d)
- R(e);S_CUTB(d)::R1(C)
- B(d);N_GUARD::S(G),XB(d)
- B(d);N_GUARD::S(G)
- S(c);N_PINR(C),SBLOCK::R(C)
- S(c);S_CUTB(g)::B(F),XR(b)
- Refutation
- R(e);XB(E)
- Try
- B(E);
- Threat
- R1(A)
- Vars
- Q(f);N_GUARD::S(G),XB(d)
- R(e);S_CUTB(d)::R1(C)
- B(d);N_GUARD::S(G),XB(d)
- B(d);N_GUARD::S(G)
- S(c);N_PINR(C),SBLOCK::R(C)
- S(c);S_CUTB(g)::B(F),XR(b)
- Refutation
- R(e);
- Try
- R(A);XB(d)
- Threat
- DUALS(2)
- Vars
- Q(f);XS(G)::R1(C)
- R(e);XS(G)::R1(C)
- Q(f);::R1(C)
- R(e);::R1(C)
- S(c);::S(G)
- S(c);S_CUTB(g)::B(F),XR(b)
- Refutation
- Q(f);XR(A)
- Try
- R(C);N_SPINR(C),XR(b)
- Threat
- DUALS(2)
- Vars
- B(d);::B(F)+R(C),DCHECK,XB(d)
- Refutation
- B(g);P_SPINB(g),XR(C)
- Try
- Actual
- B(E);
- Threat
- R1(A)
- Vars
- Q(f);N_GUARD::S(G),XB(d)
- R(e);S_CUTB(d)::R1(C)
- B(d);N_GUARD::S(G),XB(d)
- B(d);N_GUARD::S(G)
- S(c);N_PINR(C),SBLOCK::R(C)
- S(c);S_CUTB(g)::B(F),XR(b)
Developed and maintained by Brian Stephenson.
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