MESON Chess Problem Database
Problem Display
PID: 241031 (4r3/p1B4b/K3pN2/pP2p2r/3N1k1P/Q2P2RB/1p3P1n/3qR3 w - - 0 1)
Murashev, Pavel Aleksandrovich
Variantim, 2013
#2
12 + 11
SOLUTION
- SOUND
- Sets
- 1...Qc2
- 2.Sxh5#
- 1...Qe2
- 2.Sxe2#
- 1...Qb3
- 2.Se2#
- 2.Sxh5#
- 1...Qa4
- 2.Se2#
- 2.Sxh5#
- 1...Qa1
- 2.Se2#
- 2.Sxh5#
- 1...Qb1
- 2.Se2#
- 2.Sxh5#
- 1...Qc1
- 2.Se2#
- 2.Sxh5#
- 1...Qxe1
- 2.Sxh5#
- 1...Qd2
- 2.Sxh5#
- 1...Qxd3
- 2.Sxh5#
- 1...Rxh4
- 2.Bxe5#
- 1...Rf5
- 2.Re4#
- 1...Rh6
- 2.Bxe5#
- 1...Ra8
- 2.Sxe6#
- 1...Rb8
- 2.Sxe6#
- 1...Rc8
- 2.Sxe6#
- 1...Rd8
- 2.Sxe6#
- 1...Rf8
- 2.Sxe6#
- 1...Rg8
- 2.Sxe6#
- 1...Rh8
- 2.Sxe6#
- 1...Be4
- 2.Rxe4#
- 1...Bf5
- 2.Bxe5#
- 1...Bg8
- 2.Re4#
- 1...Sf3
- 2.Sxh5#
- 2.Rg4#
- 1...Sg4
- 2.Sxh5#
- 1...Qc2
- Tries
- 1.Bf5?
- threat
- 2.Bxe5#
- 2.Re4#
- 1...Qxe1
- 2.Sxh5#
- 1...Qxd3
- 2.Sxh5#
- 2.Bxe5#
- 1...Rxf5
- 2.Re4#
- 1...Bxf5
- 2.Bxe5#
- 1...exf5
- 2.Sd5#
- 1...Qf3
- 2.Bxe5#
- 1...Sf3
- 2.Sxh5#
- 2.Re4#
- 2.Rg4#
- 1...Sg4
- 2.Sxh5#
- 2.Re4#
- 1...Qe2!
- threat
- 1.Rxd1?
- threat
- 2.Se2#
- 2.Sxh5#
- 1...Rxh4
- 2.Se2#
- 1...Rf5
- 2.Se2#
- 1...Rg5
- 2.Se2#
- 1...Rh6
- 2.Se2#
- 1...Bg6
- 2.Se2#
- 1...Sg4
- 2.Sxh5#
- 2.Rf3#
- 2.Rxg4#
- 1...Bxd3!
- threat
- 1.Rxe5?
- threat
- 2.Re4#
- 2.Rf5#
- 1...Rf5
- 2.Re4#
- 2.Rxf5#
- 1...Be4
- 2.Rxe4#
- 2.Rf5#
- 1...Bf5
- 2.Re4#
- 2.Rxf5#
- 2.Rxe6#
- 1...Rxe5!
- threat
- 1.Rf3+?
- 1...Sxf3
- 2.Sxh5#
- 1...Qxf3!
- 1...Sxf3
- 1.Rg4+?
- 1...Sxg4
- 2.Sxh5#
- 1...Qxg4!
- 1...Sxg4
- 1.Qb4?
- threat
- 2.Se2#
- 2.Sxe6#
- 1...Qe2
- 2.Sxe2#
- 2.Sxe6#
- 1...Qg4
- 2.Qd2#
- 1...Be4
- 2.Rxe4#
- 1...Sg4
- 2.Sxh5#
- 1...axb4!
- threat
- 1.Qa4?
- threat
- 2.Se2#
- 2.Sxe6#
- 1...Qxa4
- 2.Se2#
- 2.Sxh5#
- 1...Qe2
- 2.Sxe2#
- 2.Sxe6#
- 1...Be4
- 2.Rxe4#
- 1...Sg4
- 2.Sxh5#
- 1...Qg4!
- threat
- 1.Bf5?
- Keys
- 1.Qf8!
- threat
- 2.Sd5#
- 2.Sxh5#
- 1...Rxh4
- 2.Sd5#
- 2.Sh5#
- 2.Bxe5#
- 1...Rxf8
- 2.Sxe6#
- 1...Rf5
- 2.Re4#
- 1...Rg5
- 2.Sd5#
- 2.Sh5#
- 1...Rh6
- 2.Sd5#
- 2.Sh5#
- 2.Bxe5#
- 2.Qxh6#
- 1...Bf5
- 2.Bxe5#
- threat
- 1.Qf8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 16
- Sets
- Q(a);N_GUARD::S(K),XR(g)
- Q(a);N_GUARD::S(G),XQ(a)
- Q(a);N_GUARD,XR(A)::S(K),XR(g)
- Q(a);N_GUARD,P_PINP(I),XP(D)::S(K),XR(g)
- R(g);N_GUARD,XP(H)::B(L),XP(f)
- R(g);S_CUTB(j)::R1(A)
- R(g);N_GUARD::B(L),XP(f)
- R(k);N_GUARD::S(G),XP(h)
- B(j);N_GUARD::R1(A),XB(j)
- B(j);S_CUTR(g)::B(L),XP(f)
- B(j);N_GUARD::R1(A)
- S(c);S_CUTQ(a)::S(K),XR(g)
- Tries
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD,XR(A)::S(K),XR(g)
- R(g);XB(F)::R1(A)
- B(j);XB(F)::B(L),XP(f)
- P(h);N_GUARD,XB(F)::S(K)
- Q(a);::B(L),XP(f)
- Refutation
- Q(a);
- Try
- R(A);XQ(a)
- Threat
- DUALS(2)
- Vars
- R(g);XP(H)::S(G)
- R(g);::S(G)
- B(j);::S(G)
- Refutation
- B(j);P_PINP(I),XP(D)
- Try
- R(A);XP(f)
- Threat
- DUALS(2)
- Refutation
- R(g);P_SPINR(g),XR(A)
- Try
- R(E);CHECK
- Vars
- S(c);XR(E)::S(K),XR(g)
- Refutation
- Q(a);XR(E)
- Try
- R(E);CHECK
- Vars
- S(c);XR(E)::S(K),XR(g)
- Refutation
- Q(a);XR(E)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD::QAB(C)
- B(j);N_GUARD::R1(A),XB(j)
- S(c);S_CUTQ(a)::S(K),XR(g)
- Refutation
- P(e);XQ(C)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- B(j);N_GUARD::R1(A),XB(j)
- S(c);S_CUTQ(a)::S(K),XR(g)
- Refutation
- Q(a);
- Try
- Actual
- Q(C);
- Threat
- DUALS(2)
- Vars
- R(k);N_GUARD,XQ(C)::S(G),XP(h)
- R(g);S_CUTB(j)::R1(A)
- B(j);S_CUTR(g)::B(L),XP(f)
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).