MESON Chess Problem Database
Problem Display
PID: 99934 (n2R4/7b/4R2r/KPk4r/p4Np1/3B1n2/3N4/8 w - - 0 1)
Senkus, Raimondas
Magyar Sakkelet, 1990
#2
7 + 8
| 6490 | yacpdb | 2009 |
| 5454 | Near Snap | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Rd5#
- 1...Rh2
- 2.Rd5#
- 1...Rh3
- 2.Rd5#
- 1...Rh4
- 2.Rd5#
- 1...Rd5
- 2.Rxd5#
- 1...Rf5
- 2.Se4#
- 1...Rxe6
- 2.Sxe6#
- 1...Rg6
- 2.Se4#
- 1...Bxd3
- 2.Sxd3#
- 1...Be4
- 2.Sxe4#
- 1...Bf5
- 2.Rd5#
- 1...Bg6
- 2.Rc6#
- 1...Bg8
- 2.Se4#
- 1...Se5
- 2.Rd5#
- 1...Sg5
- 2.Re5#
- 2.Rd5#
- 1...a3
- 2.Sb3#
- 1...Rh1
- Tries
- 1.Sg6?
- threat
- 2.Se4#
- 2.Rc6#
- 1...Rxg6
- 2.Se4#
- 1...Bxg6
- 2.Rc6#
- 1...Sxd2
- 2.Rc6#
- 1...Re5
- 2.Rc6#
- 1...Sd4
- 2.Se4#
- 1...Se5
- 2.Se4#
- 1...Sg5
- 2.Re5#
- 2.Rc6#
- 1...Rd5!
- threat
- 1.Bf5?
- threat
- 2.Sd3#
- 2.Rd5#
- 1...Rxf5
- 2.Sd3#
- 1...Bxf5
- 2.Rd5#
- 1...Se1
- 2.Re5#
- 2.Rd5#
- 1...Se5
- 2.Rxe5#
- 2.Rd5#
- 1...Sb6
- 2.Sd3#
- 1...Sc7
- 2.Sd3#
- 1...Sxd2!
- threat
- 1.Re5+?
- 1...Sxe5
- 2.Rd5#
- 1...Rxe5!
- 1...Sxe5
- 1.Rg6?
- threat
- 2.Se4#
- 2.Se6#
- 1...Rxg6
- 2.Se4#
- 1...Bxg6
- 2.Se6#
- 1...Sxd2
- 2.Se6#
- 1...Rd5
- 2.Se6#
- 2.Rxd5#
- 1...Bg8
- 2.Se4#
- 1...Sd4
- 2.Se4#
- 1...Sg5
- 2.Rd5#
- 1...Sc7
- 2.Se4#
- 1...Re5!
- threat
- 1.Rxh6?
- threat
- 2.Se6#
- 2.Rc6#
- 1...Rxh6
- 2.Rd5#
- 1...Rd5
- 2.Se6#
- 2.Rxd5#
- 1...Re5
- 2.Rc6#
- 1...Be4
- 2.Sxe4#
- 2.Se6#
- 1...Bf5
- 2.Rc6#
- 2.Rd5#
- 1...Bg6
- 2.Se6#
- 1...Bg8
- 2.Se4#
- 2.Rc6#
- 1...Se5
- 2.Se6#
- 2.Rd5#
- 1...Sg5
- 2.Rc6#
- 2.Rd5#
- 1...Sc7
- 2.Rc6#
- 1...Sd4!
- threat
- 1.Rc8+?
- 1...Kd4
- 2.Rc4#
- 1...Sc7!
- 1...Kd4
- 1.Sg6?
- Keys
- 1.Bg6!
- threat
- 2.Sd3#
- 2.Rc6#
- 1...Rxg6
- 2.Sd3#
- 1...Bxg6
- 2.Rc6#
- 1...Sxd2
- 2.Rc6#
- 1...Rd5
- 2.Rxd5#
- 1...Se1
- 2.Rc6#
- 1...Sd4
- 2.Sd3#
- 1...Se5
- 2.Rd5#
- threat
- 1.Bg6!
Anticipated by 10580(1966)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 11
- Sets
- R(e);N_GUARD::R1(G)
- R(e);N_GUARD::R1(G),XR(e)
- R(e);S_CUTB(g)::S(A)
- R(f);XR(F)::S(C),XR(f)
- R(f);S_CUTB(g)::S(A)
- B(g);XB(B)::S(C),XB(g)
- B(g);N_GUARD::S(A),XB(g)
- B(g);S_CUTR(e)::R1(G)
- B(g);S_CUTR(f)::R1(F)
- B(g);N_GUARD::S(A)
- S(a);S_CUTR(e)::R1(G)
- P(b);N_GUARD::S(A)
- Tries
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- R(f);XS(C)::S(A)
- B(g);XS(C)::R1(F)
- S(a);XS(A)::R1(F)
- R(e);::R1(F)
- S(a);::S(A)
- Refutation
- R(e);
- Try
- B(B);
- Threat
- DUALS(2)
- Vars
- R(e);XB(B)::S(C)
- B(g);XB(B)::R1(G)
- S(h);::S(C)
- Refutation
- S(a);XS(A)
- Try
- R(F);CHECK
- Vars
- S(a);XR(F)::R1(G)
- Refutation
- R(e);XR(F)
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- R(f);XR(F)::S(A)
- B(g);XR(F)::S(C)
- S(a);XS(A)::S(C)
- B(g);::S(A)
- S(a);::S(A)
- S(a);S_CUTR(e)::R1(G)
- S(h);::S(A)
- Refutation
- R(e);
- Try
- R(F);XR(f)
- Threat
- DUALS(2)
- Vars
- R(e);N_GUARD,XR(F)::R1(G)
- R(e);::R1(F)
- B(g);::S(C)
- S(h);::R1(F)
- Refutation
- S(a);
- Try
- R(G);CHECK
- Vars
- K(d);OGATE,P_PINP(E),S_FLIGHT::R1(G)
- Refutation
- S(h);P_SPINS(h)
- Try
- Actual
- B(B);
- Threat
- DUALS(2)
- Vars
- R(f);XB(B)::S(C)
- B(g);XB(B)::R1(F)
- S(a);XS(A)::R1(F)
- R(e);N_GUARD::R1(G),XR(e)
- S(a);::R1(F)
- S(a);::S(C)
- S(a);S_CUTR(e)::R1(G)
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