MESON Chess Problem Database
Problem Display
PID: 235767 (3r4/8/6R1/7n/Q3pN2/3p1kpp/2BBp2P/rbN1K2R w K - 0 1)
Murashev, Pavel Aleksandrovich
The Problemist Supplement, 2020
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Sxf4
- 2.Rxg3#
- 1...Sf6
- 2.Rxg3#
- 1...Sg7
- 2.Rxg3#
- 1...Sxf4
- Tries
- 1.Sg2?
- threat
- 2.Sh4#
- 1...Kxg2
- 2.Qxe4#
- 1...hxg2!
- threat
- 1.Sxh5?
- threat
- 2.Rxg3#
- 1...Kg2
- 2.Qxe4#
- 1...gxh2
- 2.Rg3#
- 1...g2
- 2.Rg3#
- 1...Rg8!
- threat
- 1.Bd1?
- threat
- 2.Rf1#
- 1...exd1Q+
- 2.Qxd1#
- 1...exd1R+
- 2.Qxd1#
- 1...Sxf4
- 2.Rxg3#
- 1...exd1S
- 2.Qxd1#
- 1...g2!
- threat
- 1.Qd4?
- threat
- 2.Qe3#
- 1...Sxf4
- 2.Rxg3#
- 1...e3
- 2.Qxe3#
- 1...Rxd4!
- threat
- 1.Sg2?
- Keys
- 1.Sfxe2!
- threat
- 2.0-0#
- 1...Kg2
- 2.Qxe4#
- 1...dxe2
- 2.Qxe4#
- 1...gxh2
- 2.Rf1#
- 1...g2
- 2.Sg1#
- threat
- 1.Sfxe2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 3
- Sets
- S(i);N_GUARD,XS(H)::R1(I),XP(f)
- S(i);N_GUARD::R1(I),XP(f)
- Tries
- Try
- S(H);
- Threat
- S(H)
- Vars
- K(e);P_SPINP(f),S_FLIGHT,XS(H)::QAB(G),XP(h)
- Refutation
- P(g);XS(H)
- Try
- S(H);XS(i)
- Threat
- R1(I),XP(f)
- Vars
- K(e);P_SPINP(f),S_FLIGHT::QAB(G),XP(h)
- P(f);XP(F)::R1(I)
- P(f);::R1(I)
- Refutation
- R(j);
- Try
- B(D);P_PINP(c)
- Threat
- R(C)
- Vars
- P(c);CHECK,N_SPINP(c),OGATE,XB(D)::QAB(G),XQ(c)
- P(c);CHECK,N_SPINP(c),OGATE,XB(D)::QAB(G),XR(c)
- S(i);N_GUARD,XS(H)::R1(I),XP(f)
- P(c);N_SPINP(c),OGATE,XB(D)::QAB(G),XS(c)
- Refutation
- P(f);
- Try
- Q(G);
- Threat
- QAR1(G)
- Vars
- S(i);N_GUARD,XS(H)::R1(I),XP(f)
- P(h);::QAR1(G),XP(h)
- Refutation
- R(j);XQ(G)
- Try
- Actual
- S(H);XP(c)
- Threat
- 0-0
- Vars
- K(e);P_SPINP(f),S_FLIGHT::QAB(G),XP(h)
- P(d);XS(H)::QAB1(G),XP(h)
- P(f);XP(F)::R(C)
- P(f);::S(H)
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).