MESON Chess Problem Database
Problem Display
PID: 266004 (7Q/n1RRp1P1/b3pb2/3rk1n1/3N2P1/2NPB1P1/8/2K4B w - - 0 1)
Murashev, Pavel Aleksandrovich
3rd HM., StrateGems, 2022
#2
12 + 8
SOLUTION
- SOUND
- Sets
- 1...Rxd4
- 2.Bxd4#
- 1...Ra5
- 2.Bf4#
- 1...Rb5
- 2.Bf4#
- 1...Rc5
- 2.Bf4#
- 2.Rxc5#
- 1...Bxg7
- 2.Qxg7#
- 1...Sf3
- 2.Sxf3#
- 1...Sh3
- 2.Sf3#
- 1...Se4
- 2.Sf3#
- 1...Sf7
- 2.Sf3#
- 1...Sh7
- 2.Sf3#
- 1...Sb5
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sc8
- 2.Sc6#
- 1...Rxd4
- Tries
- 1.Scb5?
- threat
- 2.Bf4#
- 1...Rc5+
- 2.Rxc5#
- 1...Rxd4
- 2.Bxd4#
- 1...Bxg7
- 2.Qxg7#
- 1...Sxb5
- 2.Sc6#
- 1...Sh3
- 2.Sf3#
- 1...Bxb5!
- threat
- 1.Sc2?
- threat
- 2.Bf4#
- 1...Bxg7
- 2.Qxg7#
- 1...Rd4
- 2.Bxd4#
- 1...Sh3!
- threat
- 1.Sde2?
- threat
- 2.Bf4#
- 1...Bxg7
- 2.Qxg7#
- 1...Rd4
- 2.Bxd4#
- 1...Sh3!
- threat
- 1.Sb3?
- threat
- 2.Bf4#
- 1...Bxg7
- 2.Qxg7#
- 1...Rd4
- 2.Bxd4#
- 1...Sh3!
- threat
- 1.Rc4?
- threat
- 2.Bf4#
- 1...Rxd4
- 2.Bxd4#
- 1...Bxg7
- 2.Qxg7#
- 1...Sh3
- 2.Sf3#
- 1...Bxc4!
- threat
- 1.Rc5?
- threat
- 2.Qb8#
- 1...Rxc5
- 2.Bf4#
- 1...Bxg7
- 2.Qxg7#
- 1...Se4
- 2.Sf3#
- 1...Sf7
- 2.Sf3#
- 1...Sb5
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sc8
- 2.Sc6#
- 1...Bc8!
- threat
- 1.Qh5?
- threat
- 2.Sf3#
- 1...Rxd4
- 2.Bxd4#
- 1...Bxg7
- 2.Qxg5#
- 1...Rxd7!
- threat
- 1.Qb8?
- threat
- 2.Rc5#
- 1...Rc5
- 2.Bf4#
- 2.Rxc5#
- 2.Rc6#
- 1...Se4
- 2.Sf3#
- 1...Sf7
- 2.Sf3#
- 1...Sb5
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sc8
- 2.Sc6#
- 1...Bxg7!
- threat
- 1.Scb5?
- Keys
- 1.Sce2!
- threat
- 2.Bf4#
- 1...Rc5+
- 2.Rxc5#
- 1...Rxd4
- 2.Bxd4#
- 1...Bxg7
- 2.Qxg7#
- 1...Sh3
- 2.Sf3#
- threat
- 1.Sce2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- R(a);OGATE,XS(G)::B(E),XR(a)
- R(a);::B(E)
- B(f);OGATE,P_SPINB(f),XP(K)::QAB(L),XB(f)
- S(c);N_GUARD::S(G),XS(c)
- S(c);N_GUARD::S(G)
- S(g);N_GUARD::S(G)
- S(g);N_GUARD::S(G),XS(g)
- Tries
- Try
- S(C);
- Threat
- B(E)
- Vars
- R(a);CHECK,OGATEB::R(I),XR(a)
- R(a);OGATE,XS(G)::B(E),XR(a)
- B(f);OGATE,P_SPINB(f),XP(K)::QAB(L),XB(f)
- S(g);N_GUARD,XS(C)::S(G)
- S(c);N_GUARD::S(G)
- Refutation
- B(d);XS(C)
- Try
- S(G);
- Threat
- B(E)
- Vars
- B(f);OGATE,P_SPINB(f),XP(K)::QAB(L),XB(f)
- R(a);N_GUARD::B(E),XR(a)
- Refutation
- S(c);
- Try
- S(G);
- Threat
- B(E)
- Vars
- B(f);OGATE,P_SPINB(f),XP(K)::QAB(L),XB(f)
- R(a);N_GUARD::B(E),XR(a)
- Refutation
- S(c);
- Try
- S(G);
- Threat
- B(E)
- Vars
- B(f);OGATE,P_SPINB(f),XP(K)::QAB(L),XB(f)
- R(a);N_GUARD::B(E),XR(a)
- Refutation
- S(c);
- Try
- R(I);
- Threat
- B(E)
- Vars
- R(a);OGATE,XS(G)::B(E),XR(a)
- B(f);OGATE,P_SPINB(f),XP(K)::QAB(L),XB(f)
- S(c);N_GUARD::S(G)
- Refutation
- B(d);XR(I)
- Try
- R(I);P_PINR(a)
- Threat
- QAB(L)
- Vars
- R(a);N_SPINR(a),P_PINS(C),XR(I)::B(E)
- B(f);OGATE,P_SPINB(f),XP(K)::QAB(L),XB(f)
- S(c);N_GUARD::S(G)
- S(g);N_GUARD::S(G)
- S(g);N_GUARD::S(G),XS(g)
- Refutation
- B(d);
- Try
- Q(L);P_PINS(c)
- Threat
- S(G)
- Vars
- R(a);OGATE,XS(G)::B(E),XR(a)
- B(f);N_GUARD,XP(K)::QAR2(L),XS(c)
- Refutation
- R(a);XR(J)
- Try
- Q(L);
- Threat
- QAB(L)+R(I)
- Vars
- S(c);N_GUARD::S(G)
- S(g);N_GUARD::S(G)
- S(g);N_GUARD::S(G),XS(g)
- Refutation
- B(f);XP(K)
- Try
- Actual
- S(C);
- Threat
- B(E)
- Vars
- R(a);CHECK,OGATEB::R(I),XR(a)
- R(a);OGATE,XS(G)::B(E),XR(a)
- B(f);OGATE,P_SPINB(f),XP(K)::QAB(L),XB(f)
- S(c);N_GUARD::S(G)
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).