MESON Chess Problem Database
Problem Display
PID: 260581 (K1b4B/1p1p4/pr1N4/Qnk2p2/P1pR3R/2N1PB2/p1Pr4/6b1 w - - 0 1)
Pankratiev, Aleksandr Nikolaevich
64 Shakhmatnoe obozrenie, 2022
#2
11 + 12
SOLUTION
- SOUND
- Sets
- 1...Rxd6
- 2.Rxc4#
- 1...f4
- 2.Rh5#
- 1...Rxd6
- Tries
- 1.Sxa2?
- threat
- 2.Qb4#
- 1...Rxd6
- 2.Rxc4#
- 1...Rc6!
- threat
- 1.Sde4+?
- 1...Kc6
- 2.Rxc4#
- 1...fxe4!
- 1...Kc6
- 1.Sxf5?
- threat
- 2.Rxc4#
- 1...Rxd4
- 2.Bxd4#
- 1...d5!
- threat
- 1.Rxd2?
- threat
- 2.Rxc4#
- 1...f4
- 2.Rh5#
- 1...Rxd6!
- threat
- 1.Rd5+?
- 1...Kc6
- 2.Rxc4#
- 1...Rxd5!
- 1...Kc6
- 1.Rh6?
- threat
- 2.Rxc4#
- 1...Rxd4
- 2.Bxd4#
- 1...Rxd6!
- threat
- 1.Sxa2?
- Keys
- 1.Sd5!
- threat
- 2.Qxb6#
- 1...Kc6
- 2.Qxb6#
- 1...Kxd6
- 2.Qxb6#
- 1...Rxd6
- 2.Rxc4#
- 1...Rc6
- 2.Qb4#
- threat
- 1.Sd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- R(i);SBLOCK,XS(I)::R1(F),XP(d)
- P(g);OGATEB::R(G)
- Tries
- Try
- S(B);XP(b)
- Threat
- QAB1(H)
- Vars
- R(i);SBLOCK,XS(I)::R1(F),XP(d)
- Refutation
- R(i);
- Try
- S(I);CHECK
- Vars
- K(f);N_GUARD,N_SPINS(e),P-FLIGHT::R(F),XP(d)
- Refutation
- P(g);XS(I)
- Try
- S(I);XP(g)
- Threat
- R1(F),XP(d)
- Vars
- R(c);OGATE,XR(F)::B(K),XR(c)
- Refutation
- P(k);
- Try
- R(F);XR(c)
- Threat
- R1(G),XP(d)
- Vars
- P(g);OGATEB::R(G)
- Refutation
- R(i);XS(I)
- Try
- R(F);CHECK
- Vars
- K(f);N_SPINS(e),P-FLIGHT::R(G),XP(d)
- Refutation
- R(c);XR(F)
- Try
- R(G);
- Threat
- R1(F),XP(d)
- Vars
- R(c);OGATE,XR(F)::B(K),XR(c)
- Refutation
- R(i);XS(I)
- Try
- Actual
- S(B);
- Threat
- QAB1(H),XR(i)
- Vars
- K(f);N_SPINS(e),P-FLIGHT::QAR1(H),XR(i)
- K(f);N_SPINS(e),S_FLIGHT,XS(I)::QAR2(H),XR(i)
- R(i);SBLOCK,XS(I)::R1(F),XP(d)
- R(i);SBLOCK::QAB1(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).