MESON Chess Problem Database
Problem Display
PID: 162350 (1K1NNR2/1B1P2nP/R5bb/2B1kPr1/Q2rPp2/5n2/5q2/8 w - - 0 1)
Murashev, Pavel Aleksandrovich
Sachmatija, 2009
#2
12 + 9
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Sc6#
- 1...Rd2
- 2.Sc6#
- 1...Rd3
- 2.Sc6#
- 1...Rxe4
- 2.Bd6#
- 2.Qxe4#
- 1...Rd5
- 2.Sc6#
- 1...Rd6
- 2.Bxd6#
- 1...Rxd7
- 2.Sc6#
- 1...Bxf5
- 2.Sf7#
- 1...Bf7
- 2.Sxf7#
- 1...Bxh7
- 2.Sf7#
- 1...Sxf5
- 2.Re6#
- 1...Sh5
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sxe8
- 2.Re6#
- 1...Rd1
- Tries
- 1.Sxg7?
- threat
- 2.Re6#
- 1...Bxf5
- 2.Sf7#
- 1...Rd6
- 2.Bxd6#
- 1...Bf7
- 2.Sxf7#
- 1...Qa2!
- threat
- 1.Be7?
- threat
- 2.Bf6#
- 1...Rxe4
- 2.Bd6#
- 2.Qxe4#
- 1...Sxe8
- 2.Re6#
- 1...Rd6
- 2.Bxd6#
- 1...Sh5
- 2.Re6#
- 1...Rxf5!
- threat
- 1.Qc6?
- threat
- 2.Qf6#
- 1...Sxe8
- 2.Qe6#
- 1...Rd5
- 2.Qxd5#
- 1...Rd6
- 2.Qxd6#
- 1...Sh5
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Rxf5!
- threat
- 1.Qa1?
- threat
- 2.Bd6#
- 1...Sxf5
- 2.Re6#
- 1...Sxe8
- 2.Re6#
- 1...Qb2!
- threat
- 1.Qxd4+?
- 1...Sxd4
- 2.Bd6#
- 1...Qxd4!
- 1...Sxd4
- 1.h8Q?
- threat
- 2.Re6#
- 1...Bxf5
- 2.Sf7#
- 1...Rd6
- 2.Bxd6#
- 1...Bf7
- 2.Sxf7#
- 1...Qa2!
- threat
- 1.h8B?
- threat
- 2.Re6#
- 1...Bxf5
- 2.Sf7#
- 1...Rd6
- 2.Bxd6#
- 1...Bf7
- 2.Sxf7#
- 1...Qa2!
- threat
- 1.Sxg7?
- Keys
- 1.Sf6!
- threat
- 2.Sc6#
- 1...Rxe4
- 2.Qxe4#
- 1...Rxf5
- 2.Sg4#
- 1...Bxf5
- 2.Sf7#
- 1...Sxf5
- 2.Re6#
- 1...Rd6
- 2.Bxd6#
- 1...Bf7
- 2.Sxf7#
- threat
- 1.Sf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 9
- Sets
- R(c);::S(J)
- R(c);N_GUARD::B(C),XR(c)
- R(c);XP(G)::S(J)
- B(g);N_GUARD,XP(D)::S(J)
- B(g);N_GUARD::S(J),XB(g)
- B(g);N_GUARD,XP(H)::S(J)
- S(i);N_GUARD,XP(D)::R1(E)
- S(i);N_GUARD::R1(E)
- S(i);N_GUARD::R1(E),XS(i)
- S(i);N_GUARD,XS(K)::R1(E)
- Tries
- Try
- S(K);XS(i)
- Threat
- R1(E)
- Vars
- B(g);N_GUARD,XP(D)::S(J)
- R(c);N_GUARD::B(C),XR(c)
- B(g);N_GUARD::S(J),XB(g)
- Refutation
- Q(a);
- Try
- B(C);
- Threat
- B(C)
- Vars
- S(i);N_GUARD,XS(K)::R1(E)
- R(c);N_GUARD::B(C),XR(c)
- S(i);N_GUARD::R1(E)
- Refutation
- R(f);XP(D)
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- S(i);N_GUARD,XS(K)::QAR1(A)
- R(c);N_GUARD::QAR1(A),XR(c)
- R(c);N_GUARD::QAB1(A),XR(c)
- S(i);N_GUARD::QAR1(A)
- S(i);N_GUARD::QAR1(A),XS(i)
- Refutation
- R(f);XP(D)
- Try
- Q(A);P_PINR(c)
- Threat
- B(C)
- Vars
- S(i);N_GUARD,XP(D)::R1(E)
- S(i);N_GUARD,XS(K)::R1(E)
- Refutation
- Q(a);N_SPINR(c),P_PINB(F)
- Try
- Q(A);CHECK,XR(c)
- Vars
- S(b);SBLOCK,XQ(A)::B(C)
- Refutation
- Q(a);XQ(A)
- Try
- P(H);P_PINS(i)
- Threat
- R1(E)
- Vars
- B(g);N_GUARD,XP(D)::S(J)
- R(c);N_GUARD::B(C),XR(c)
- B(g);N_GUARD::S(J),XB(g)
- Refutation
- Q(a);
- Try
- P(H);P_PINS(i)
- Threat
- R1(E)
- Vars
- B(g);N_GUARD,XP(D)::S(J)
- R(c);N_GUARD::B(C),XR(c)
- B(g);N_GUARD::S(J),XB(g)
- Refutation
- Q(a);
- Try
- Actual
- S(K);
- Threat
- S(J)
- Vars
- R(c);OGATE,XP(B)::QAR1(A),XR(c)
- R(f);N_GUARD,XP(D)::S(K)
- B(g);N_GUARD,XP(D)::S(J)
- S(i);N_GUARD,XP(D)::R1(E)
- R(c);N_GUARD::B(C),XR(c)
- B(g);N_GUARD::S(J),XB(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).