MESON Chess Problem Database
Problem Display
PID: 180084 (5qr1/3NR3/8/1R6/r4k1B/8/2B2PpN/1b4K1 w - - 0 1)
Parzuch, Stefan
2nd HM., ECSC, 2011
#2
8 + 6
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qh6
- 2.Rf5#
- 1...Qxe7
- 2.Rf5#
- 1...Qg7
- 2.Rf5#
- 1...Qf5
- 2.Rxf5#
- 1...Qf7
- 2.Rxf7#
- 1...Qa8
- 2.Rf5#
- 2.Rf7#
- 1...Qb8
- 2.Rf5#
- 2.Rf7#
- 1...Qc8
- 2.Rf5#
- 2.Rf7#
- 1...Qd8
- 2.Rf5#
- 1...Qe8
- 2.Rf5#
- 1...Ra1
- 2.Rb4#
- 2.Re4#
- 1...Ra2
- 2.Rb4#
- 2.Re4#
- 1...Ra3
- 2.Rb4#
- 2.Re4#
- 1...Rb4
- 2.Rxb4#
- 1...Re4
- 2.Rxe4#
- 1...Ra5
- 2.Rb4#
- 2.Re4#
- 1...Ra6
- 2.Rb4#
- 2.Re4#
- 1...Ra7
- 2.Rb4#
- 2.Re4#
- 1...Ra8
- 2.Rb4#
- 2.Re4#
- 1...Rg3
- 2.Bxg3#
- 2.fxg3#
- 1...Rg5
- 2.Bxg5#
- 1...Rh8
- 2.Bg3#
- 2.Bg5#
- 1...Qh6
- Tries
- 1.Sf6?
- threat
- 2.Sd5#
- 2.Sh5#
- 2.Rf5#
- 1...Qxe7
- 2.Sh5#
- 2.Rf5#
- 1...Bxc2
- 2.Sh5#
- 1...Qh6
- 2.Sd5#
- 2.Rf5#
- 1...Qf7
- 2.Rf5#
- 1...Qa8
- 2.Sh5#
- 2.Rf5#
- 1...Qc8
- 2.Sd5#
- 2.Sh5#
- 1...Qd8
- 2.Sh5#
- 2.Rf5#
- 1...Qe8
- 2.Sd5#
- 2.Rf5#
- 1...Rd4
- 2.Sh5#
- 2.Rf5#
- 1...Re4
- 2.Sh5#
- 2.Rxe4#
- 1...Ra5
- 2.Sd5#
- 2.Sh5#
- 2.Rb4#
- 2.Re4#
- 1...Rg5
- 2.Bxg5#
- 1...Rh8
- 2.Sd5#
- 2.Bg3#
- 2.Bg5#
- 2.Rf5#
- 1...Ba2
- 2.Sh5#
- 2.Rf5#
- 1...Qxf6!
- threat
- 1.Sxf8?
- threat
- 2.Se6#
- 2.Rf5#
- 2.Rf7#
- 1...Rxf8
- 2.Bg3#
- 2.Bg5#
- 1...Re4
- 2.Rxe4#
- 2.Rf7#
- 1...Ra5
- 2.Se6#
- 2.Rb4#
- 2.Re4#
- 2.Rf7#
- 1...Ra6
- 2.Rb4#
- 2.Rf5#
- 2.Re4#
- 1...Ra7
- 2.Se6#
- 2.Rb4#
- 2.Rf5#
- 2.Re4#
- 1...Rg5
- 2.Se6#
- 2.Bxg5#
- 1...Rg6
- 2.Sxg6#
- 2.Rf5#
- 1...Rg7
- 2.Se6#
- 2.Rf5#
- 1...Ba2
- 2.Rf5#
- 1...Bxc2!
- threat
- 1.Re3?
- threat
- 2.Rf3#
- 1...Qa3
- 2.Rf5#
- 1...Qa8
- 2.Rf5#
- 1...Ra3
- 2.Re4#
- 1...Rg3
- 2.Bxg3#
- 1...Bxc2!
- threat
- 1.Sf6?
- Keys
- 1.Rb3!
- threat
- 2.Rf3#
- 1...Qa8
- 2.Rf7#
- 1...Ra3
- 2.Rb4#
- 1...Rg3
- 2.fxg3#
- threat
- 1.Rb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 10
- Sets
- Q(e);N_GUARD::R1(F)
- Q(e);N_GUARD,XR(H)::R1(F)
- Q(e);N_GUARD::R1(F),XQ(e)
- Q(e);N_GUARD::R(H),XQ(e)
- R(c);N_GUARD::R(F),XR(c)
- R(c);N_GUARD::R1(H),XR(c)
- R(f);N_GUARD::B(E),XR(f)
- Tries
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- B(a);XB(B)::S(G)
- Q(e);::R1(F)
- R(f);N_GUARD::B(E),XR(f)
- Refutation
- Q(e);XS(G)
- Try
- S(G);XQ(e)
- Threat
- DUALS(3)
- Vars
- B(a);::R1(F)
- Refutation
- B(a);XB(B)
- Try
- R(H);
- Threat
- R1(H)
- Vars
- Q(e);N_GUARD::R1(F)
- R(c);N_GUARD::R1(H)
- R(f);N_GUARD::B(E),XR(f)
- Refutation
- B(a);XB(B)
- Try
- Actual
- R(F);
- Threat
- R1(F)
- Vars
- Q(e);N_GUARD::R(H)
- R(c);N_GUARD::R(F)
- R(f);OGATE::P(C),XR(f)
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