MESON Chess Problem Database
Problem Display
PID: 235486 (4RQ2/1p4r1/3p4/1K1p1p1R/4p1p1/pBpkP3/r7/b2NB1N1 w - - 0 1)
Pavlov, Mikhail Aleksandrovich
Zadachi i Etyudi, 2001
#2
9 + 12
SOLUTION
- SOUND
- Sets
- 1...f4
- 2.Rxd5#
- 1...f4
- Tries
- 1.Qxd6?
- threat
- 2.Qxd5#
- 1...c2
- 2.Bc4#
- 1...d4
- 2.Qxd4#
- 1...Rd7!
- threat
- 1.Qxg7?
- threat
- 2.Qd4#
- 1...d4
- 2.Qxd4#
- 1...c2!
- threat
- 1.Qxf5?
- threat
- 2.Qxd5#
- 1...c2
- 2.Qf1#
- 1...d4
- 2.Qxe4#
- 1...Rg5!
- threat
- 1.Qf6?
- threat
- 2.Qd4#
- 1...d4
- 2.Qxd4#
- 1...c2!
- threat
- 1.Qxd6?
- Keys
- 1.Rxe4!
- threat
- 2.Rd4#
- 1...Kxe4
- 2.Qxf5#
- 1...dxe4
- 2.Qxd6#
- 1...fxe4
- 2.Rxd5#
- 1...c2
- 2.Sf2#
- 1...d4
- 2.Rxd4#
- threat
- 1.Rxe4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 1
- Sets
- P(i);OGATE::R(G),XP(h)
- Tries
- Try
- Q(I);P_PINP(h),XP(j)
- Threat
- QAR2(I),XP(h)
- Vars
- P(d);SBLOCK::B(D)
- P(h);OGATE::QAR1(I),XP(h)
- Refutation
- R(l);
- Try
- Q(I);XR(l)
- Threat
- QAR1(I)
- Vars
- P(h);::QAR1(I),XP(h)
- Refutation
- P(d);
- Try
- Q(I);P_PINP(f),XP(i)
- Threat
- QAR2(I),XP(h)
- Vars
- P(d);S_CUTR(b)::QAB(I)
- P(h);N_GUARD::QAB1(I),XP(f)
- Refutation
- R(l);
- Try
- Q(I);
- Threat
- QAR1(I)
- Vars
- P(h);::QAR1(I),XP(h)
- Refutation
- P(d);
- Try
- Actual
- R(H);XP(f)
- Threat
- R1(H)
- Vars
- K(e);OGATEB,S_FLIGHT,XR(H)::QAB1(I),XP(i)
- P(h);OGATEB,SBLOCK,XR(H)::QAR(I),XP(j)
- P(i);OGATE,SBLOCK,XR(H)::R(G),XP(h)
- P(d);S_CUTR(b)::S(A)
- P(h);::R1(H),XP(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).