MESON Chess Problem Database
Problem Display
PID: 169164 (b7/r7/pP1R4/R1N1B2k/p1B1P2P/r5pK/6Q1/2n1b3 w - - 0 1)
Shanshin, Valery Yurevich
3rd Prize=, SuperProblem 162. TT, 2016
#2
10 + 9
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qf3#
- 1...Ra2
- 2.Qf3#
- 1...Rf3
- 2.Qxf3#
- 1...Rf7
- 2.Bxf7#
- 1...Bc3
- 2.Qf3#
- 1...Bb7
- 2.Bf7#
- 1...Sb3
- 2.Be2#
- 2.Qf3#
- 2.Qe2#
- 1...Sd3
- 2.Qf3#
- 2.Qe2#
- 1...Ra1
- Tries
- 1.Sd3?
- threat
- 2.Sf4#
- 2.Qf3#
- 1...Bxe4
- 2.Sf4#
- 1...Sxd3
- 2.Qf3#
- 2.Qe2#
- 1...Rf7
- 2.Bxf7#
- 1...Rg7
- 2.Sf4#
- 1...Bd2
- 2.Qf3#
- 1...Se2
- 2.Qf3#
- 2.Qxe2#
- 1...Rxd3!
- threat
- 1.Be2+?
- 1...Rf3
- 2.Bxf3#
- 2.Qxf3#
- 1...Sxe2!
- 1...Rf3
- 1.Bc3?
- threat
- 2.Sb7#
- 2.Qf3#
- 1...Rxc3
- 2.Sb7#
- 1...Bxc3
- 2.Qf3#
- 1...Bxe4
- 2.Sxe4#
- 1...Rb3
- 2.Qf3#
- 1...Rb7
- 2.Sb3#
- 2.Sd3#
- 2.Sxa4#
- 2.Sxa6#
- 2.Sxb7#
- 2.Sd7#
- 2.Qf3#
- 1...Rc7
- 2.Qf3#
- 1...Re7
- 2.Qf3#
- 1...Rf7
- 2.Bxf7#
- 1...Bd2
- 2.Qf3#
- 1...Bf2
- 2.Qf3#
- 1...Bd5
- 2.Qf3#
- 1...Bc6
- 2.Qf3#
- 1...Bb7
- 2.Sxb7#
- 2.Bf7#
- 2.Qf3#
- 1...Sb3
- 2.Be2#
- 2.Qf3#
- 2.Qe2#
- 1...Sd3
- 2.Qf3#
- 2.Qe2#
- 1...Rg7!
- threat
- 1.Qe2+?
- 1...Rf3
- 2.Qxf3#
- 1...Sxe2!
- 1...Rf3
- 1.b7?
- threat
- 2.Bf7#
- 1...Rf3
- 2.Qxf3#
- 1...Rxb7!
- threat
- 1.Sd3?
- Keys
- 1.Sb7!
- threat
- 2.Bf7#
- 2.Bc3#
- 1...Rxb7
- 2.Bc3#
- 1...Bxa5
- 2.Bf7#
- 1...Bxb7
- 2.Bf7#
- 1...Rb3
- 2.Bf7#
- 1...Rc3
- 2.Bf7#
- 2.Bxc3#
- 2.Bxg3#
- 2.Bd4#
- 2.Bf4#
- 2.Bg7#
- 2.Bh8#
- 1...Rd3
- 2.Bf7#
- 1...Rf3
- 2.Qxf3#
- 1...Bd2
- 2.Bf7#
- 1...Bf2
- 2.Bf7#
- 2.Bd4#
- 1...Bc3
- 2.Bf7#
- 2.Bxc3#
- 2.Qf3#
- 1...Bb4
- 2.Bf7#
- 1...Sb3
- 2.Be2#
- 2.Bf7#
- 2.Qf3#
- 2.Qe2#
- 1...Sd3
- 2.Bf7#
- 2.Qf3#
- 2.Qe2#
- threat
- 1.Sb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 4
- Sets
- R(c);N_GUARD::QAB(A)
- R(c);N_GUARD::QAB(A),XR(c)
- R(h);N_GUARD::B(C),XR(h)
- B(b);S_CUTR(c)::QAB(A)
- B(i);S_CUTR(h)::B(C)
- Tries
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- B(i);XP(D)::S(G)
- R(h);N_GUARD::B(C),XR(h)
- R(h);::S(G)
- B(b);::QAB(A)
- Refutation
- R(c);XS(G)
- Try
- B(C);CHECK
- Refutation
- S(a);XB(C)
- Try
- B(H);
- Threat
- DUALS(2)
- Vars
- R(c);XB(H)::R(F)+S(G)
- B(b);XB(H)::QAB(A)
- B(i);XP(D)::R(F)+S(G),XB(i)
- R(c);::QAB(A)
- R(h);::QAB(A)
- R(h);N_GUARD::B(C),XR(h)
- B(b);::QAB(A)
- B(i);::QAB(A)
- Refutation
- R(h);
- Try
- Q(A);CHECK
- Vars
- R(c);N_GUARD,P_SPINR(c)::QAB(A),XR(c)
- Refutation
- S(a);XQ(A)
- Try
- P(I);
- Threat
- B(C)
- Vars
- R(c);N_GUARD::QAB(A),XR(c)
- Refutation
- R(h);XP(I)
- Try
- Actual
- S(G);
- Threat
- DUALS(2)
- Vars
- R(h);XS(G)::R(F)+B(H)
- B(b);XR(F)::B(C)
- B(i);XS(G)::B(C)
- R(c);::B(C)
- R(c);N_GUARD::QAB(A),XR(c)
- B(b);::B(C)
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).