MESON Chess Problem Database
Problem Display
PID: 71653 (3Q4/1p4n1/5R2/8/2pNk3/6P1/2K2R2/6n1 w - - 0 1)
Popov, Valery
3rd Prize, Rychkov/Stepanov MT, 2005-2006
#2
6 + 5
| 56 | The Problemist | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Se2
- 2.Rxe2#
- 1...Sf3
- 2.Re2#
- 1...Sh3
- 2.Re2#
- 1...Sf5
- 2.Re6#
- 1...Sh5
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Se8
- 2.Re6#
- 1...Se2
- Tries
- 1.Se2?
- threat
- 2.Qd4#
- 1...Ke3
- 2.Qd4#
- 1...Ke5
- 2.Qd4#
- 1...Sxe2
- 2.Rxe2#
- 1...Sf5
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sf3!
- threat
- 1.Sb3?
- threat
- 2.Qd4#
- 1...Ke3
- 2.Qd4#
- 1...Ke5
- 2.Qd4#
- 1...Se2
- 2.Rxe2#
- 1...Sf3
- 2.Re2#
- 1...Sf5
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...cxb3+!
- threat
- 1.Sf3?
- threat
- 2.Qd4#
- 1...Ke3
- 2.Qd4#
- 1...Sxf3
- 2.Re2#
- 1...Se2
- 2.Rxe2#
- 1...Sf5
- 2.Re6#
- 1...Se6!
- threat
- 1.Sf5?
- threat
- 2.Qd4#
- 1...Ke5
- 2.Qd4#
- 1...Sxf5
- 2.Re6#
- 1...Sf3
- 2.Re2#
- 1...Se6
- 2.Rxe6#
- 1...Se2!
- threat
- 1.Sc6?
- threat
- 2.Qd4#
- 1...Ke3
- 2.Qd4#
- 1...Se2
- 2.Rxe2#
- 1...Sf3
- 2.Re2#
- 1...Sf5
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...bxc6!
- threat
- 1.Se6?
- threat
- 2.Qd4#
- 1...Ke3
- 2.Qd4#
- 1...Ke5
- 2.Qd4#
- 1...Sxe6
- 2.Rxe6#
- 1...Se2
- 2.Rxe2#
- 1...Sf3
- 2.Re2#
- 1...Sf5!
- threat
- 1.R2f4+?
- 1...Ke5
- 2.Qd6#
- 1...Ke3!
- 1...Ke5
- 1.Qd5+?
- 1...Ke3
- 2.Qe5#
- 1...Kxd5!
- 1...Ke3
- 1.Se2?
- Keys
- 1.Sb5!
- threat
- 2.Qd4#
- 1...Ke3
- 2.Qd4#
- 1...Ke5
- 2.Qd4#
- 1...Se2
- 2.Rxe2#
- 1...Sf3
- 2.Re2#
- 1...Sf5
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- threat
- 1.Sb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- S(a);N_GUARD::R(B),XS(a)
- S(a);N_GUARD::R(B)
- S(e);N_GUARD::R(E)
- S(e);N_GUARD::R(E),XS(e)
- Tries
- Try
- S(D);
- Threat
- QAR1(F)
- Vars
- K(c);P-FLIGHT::QAB1(F)
- S(a);OGATE,XS(D)::R(B),XS(a)
- S(e);N_GUARD::R(E)
- S(e);N_GUARD::R(E),XS(e)
- Refutation
- S(a);
- Try
- S(D);
- Threat
- QAR1(F)
- Vars
- K(c);P-FLIGHT::QAB1(F)
- S(a);N_GUARD::R(B),XS(a)
- S(a);N_GUARD::R(B)
- S(e);N_GUARD::R(E)
- S(e);N_GUARD::R(E),XS(e)
- Refutation
- P(b);CHECK,XS(D)
- Try
- S(D);
- Threat
- QAR1(F)
- Vars
- K(c);P-FLIGHT::QAB1(F)
- S(a);N_GUARD,XS(D)::R(B)
- S(a);N_GUARD::R(B),XS(a)
- S(e);N_GUARD,SBLOCK::R(E)
- Refutation
- S(e);
- Try
- S(D);
- Threat
- QAR1(F)
- Vars
- K(c);P-FLIGHT::QAB1(F)
- S(e);N_GUARD,XS(D)::R(E)
- S(a);N_GUARD,SBLOCK::R(B)
- S(e);N_GUARD::R(E),XS(e)
- Refutation
- S(a);
- Try
- S(D);
- Threat
- QAR1(F)
- Vars
- K(c);P-FLIGHT::QAB1(F)
- S(a);N_GUARD::R(B),XS(a)
- S(a);N_GUARD::R(B)
- S(e);N_GUARD::R(E)
- S(e);N_GUARD::R(E),XS(e)
- Refutation
- P(d);XS(D)
- Try
- S(D);
- Threat
- QAR1(F)
- Vars
- K(c);P-FLIGHT::QAB1(F)
- S(e);OGATE,XS(D)::R(E),XS(e)
- S(a);N_GUARD::R(B),XS(a)
- S(a);N_GUARD::R(B)
- Refutation
- S(e);
- Try
- R(B);CHECK
- Vars
- K(c);P-FLIGHT::QAB1(F)
- Refutation
- K(c);P-FLIGHT
- Try
- Q(F);CHECK
- Vars
- K(c);P-FLIGHT::QAR2(F)
- Refutation
- K(c);S_FLIGHT,XQ(F)
- Try
- Actual
- S(D);
- Threat
- QAR1(F)
- Vars
- K(c);P-FLIGHT::QAB1(F)
- S(a);N_GUARD::R(B),XS(a)
- S(a);N_GUARD::R(B)
- S(e);N_GUARD::R(E)
- S(e);N_GUARD::R(E),XS(e)
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