MESON Chess Problem Database
Problem Display
PID: 169159 (6K1/3p1Nbp/b2Q3r/2PN1B2/pP1BPP2/1PPk4/3p1R2/1nR1r3 w - - 0 1)
Permyakov, Evgeni Nikolaevich
1st Prize=, SuperProblem 162. TT, 2016
#2
14 + 10
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rxc1
- 2.e5#
- 1...Rd1
- 2.e5#
- 1...Rf1
- 2.e5#
- 1...Rg1
- 2.e5#
- 1...Reh1
- 2.e5#
- 1...Rhh1
- 2.Qxa6#
- 1...Rh2
- 2.Qxa6#
- 1...Rh3
- 2.Qxa6#
- 1...Rh4
- 2.Qxa6#
- 1...Rh5
- 2.Qxa6#
- 1...Rf6
- 2.Se5#
- 1...Be5
- 2.Sxe5#
- 1...Bf6
- 2.Qxa6#
- 1...Bf8
- 2.Se5#
- 1...Rxc1
- Tries
- 1.Se3?
- threat
- 2.e5#
- 1...Rxe3
- 2.Bf6#
- 1...Bxd4
- 2.Qxd4#
- 1...Sxc3
- 2.Rxc3#
- 1...Rh5
- 2.Qxa6#
- 1...Rf6
- 2.Se5#
- 1...Be5
- 2.Sxe5#
- 1...Bb7!
- threat
- 1.Sf6?
- threat
- 2.Se5#
- 2.Qxa6#
- 1...Rxc1
- 2.e5#
- 1...Rxf6
- 2.Se5#
- 1...Bxf6
- 2.Qxa6#
- 1...Sxc3
- 2.Se5#
- 2.Rxc3#
- 1...Bb5
- 2.Se5#
- 1...Bb7
- 2.Se5#
- 1...Bc8
- 2.Se5#
- 1...Sa3
- 2.Se5#
- 1...Bc4!
- threat
- 1.Be3?
- threat
- 2.e5#
- 1...Rxe3
- 2.Sf6#
- 1...Sxc3
- 2.Rxd2#
- 1...Rh5
- 2.Qxa6#
- 1...Rf6
- 2.Se5#
- 1...Be5
- 2.Sxe5#
- 1...axb3!
- threat
- 1.Bxg7?
- threat
- 2.Se5#
- 1...Rxc1
- 2.e5#
- 1...Sxc3
- 2.Rxc3#
- 1...Re6!
- threat
- 1.Rf3+?
- 1...Re3
- 2.Rxe3#
- 1...Ke2!
- 1...Re3
- 1.Se3?
- Keys
- 1.Bf6!
- threat
- 2.Se5#
- 2.Qxa6#
- 1...Rxc1
- 2.e5#
- 1...Rxf6
- 2.Se5#
- 1...Bxf6
- 2.Qxa6#
- 1...Sxc3
- 2.Rxc3#
- 1...Bc4
- 2.Se5#
- 1...Bb5
- 2.Se5#
- 1...Bb7
- 2.Se5#
- 1...Bc8
- 2.Se5#
- 1...Sa3
- 2.Se5#
- threat
- 1.Bf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 11
- Sets
- R(b);N_GUARD,XR(A)::B(K)+P(G)
- R(b);N_GUARD::B(K)+P(G)
- R(g);N_GUARD::QAB(L),XB(f)
- R(g);S_CUTB(i)::S(M)
- B(i);N_GUARD::S(M),XB(i)
- B(i);S_CUTR(g)::QAB(L),XB(f)
- B(i);N_GUARD::S(M)
- Tries
- Try
- S(J);
- Threat
- B(K)+P(G)
- Vars
- R(b);SBLOCK,XS(J)::QAR(L)+B(F)
- B(i);OGATE,P_SPINB(i),XB(F)::QAR1(L),XB(i)
- S(a);OGATE,XP(D)::R1(A),XS(a)
- R(g);N_GUARD::QAB(L),XB(f)
- R(g);S_CUTB(i)::S(M)
- B(i);N_GUARD::S(M),XB(i)
- Refutation
- B(f);
- Try
- S(J);
- Threat
- DUALS(2)
- Vars
- R(b);N_GUARD,XR(A)::B(K)+P(G)
- R(g);XS(J)::S(M)
- B(i);XS(J)::QAB(L),XB(f)
- B(f);::S(M)
- S(a);::S(M)
- Refutation
- B(f);P_PINS(M)
- Try
- B(F);
- Threat
- B(K)+P(G)
- Vars
- R(b);SBLOCK,XB(F)::QAR(L)+S(J)
- S(a);N_GUARD,XP(D)::R1(B),XP(c)
- R(g);N_GUARD::QAB(L),XB(f)
- R(g);S_CUTB(i)::S(M)
- B(i);N_GUARD::S(M),XB(i)
- Refutation
- P(e);XP(C)
- Try
- B(F);XB(i)
- Threat
- S(M)
- Vars
- R(b);N_GUARD,XR(A)::B(K)+P(G)
- S(a);OGATE,XP(D)::R1(A),XS(a)
- Refutation
- R(g);
- Try
- R(B);CHECK
- Vars
- R(b);N_GUARD,P_SPINR(b)::R1(B),XR(b)
- Refutation
- K(d);S_FLIGHT
- Try
- Actual
- B(F);
- Threat
- DUALS(2)
- Vars
- R(b);N_GUARD,XR(A)::B(K)+P(G)
- R(g);XB(F)::S(M)
- B(i);XB(F)::QAB(L),XB(f)
- S(a);OGATE,XP(D)::R1(A),XS(a)
- B(f);::S(M)
- S(a);::S(M)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).