MESON Chess Problem Database
Problem Display
PID: 26656 (4R1bq/1p4r1/4p2b/2R4N/3pk2p/1B1p3p/K2P3N/nQ6 w - - 0 1)
Kubbel, Evgeny Ivanovich
Tidskrift for Schack, 1917
#2
8 + 12
| 2988 | Izbrannie Kompozitsi | 1985 |
SOLUTION
- SOUND
- Sets
- 1...Rg5
- 2.Qe1#
- 1...Rc7
- 2.Qh1#
- 1...Rd7
- 2.Qh1#
- 1...Re7
- 2.Qh1#
- 1...Rh7
- 2.Qh1#
- 1...Bf4
- 2.Sf6#
- 1...Bg5
- 2.Qh1#
- 1...Bh7
- 2.Rxe6#
- 1...e5
- 2.Rcxe5#
- 2.Rexe5#
- 1...Rg5
- Tries
- 1.Bc4?
- threat
- 2.Bxd3#
- 2.Qxd3#
- 1...Bxd2
- 2.Qxd3#
- 1...e5
- 2.Rcxe5#
- 2.Rexe5#
- 2.Qxd3#
- 1...Rg3
- 2.Qxb7#
- 1...Sc2!
- threat
- 1.Qf1?
- threat
- 2.Sf6#
- 2.Qf3#
- 2.Qf5#
- 1...Bxd2
- 2.Qf3#
- 1...Qh7
- 2.Sf6#
- 2.Qf3#
- 1...Rg1
- 2.Qf3#
- 2.Qf5#
- 1...Rg2
- 2.Qf3#
- 2.Qf5#
- 1...Rg3
- 2.Qf5#
- 1...Rg4
- 2.Qf3#
- 2.Qf5#
- 1...Rg5
- 2.Qe1#
- 2.Qf3#
- 2.Qf4#
- 1...Rg6
- 2.Qf3#
- 2.Qf5#
- 1...Rc7
- 2.Qh1#
- 2.Qf3#
- 2.Qf5#
- 1...Rd7
- 2.Qh1#
- 2.Qf3#
- 2.Qf5#
- 1...Re7
- 2.Qh1#
- 2.Qf3#
- 1...Rh7
- 2.Qh1#
- 2.Qf3#
- 2.Qf5#
- 1...Bf4
- 2.Sf6#
- 2.Qf3#
- 2.Qxf4#
- 1...Bg5
- 2.Qh1#
- 2.Qf3#
- 2.Qf5#
- 1...Bh7
- 2.Sf6#
- 2.Rxe6#
- 2.Qf3#
- 1...e5
- 2.Sf6#
- 2.Rcxe5#
- 2.Rexe5#
- 2.Qf3#
- 1...Rf7!
- threat
- 1.Bc4?
- Keys
- 1.Bxe6!
- threat
- 2.Bf7#
- 1...Bxe6+
- 2.Rxe6#
- 1...Rg1
- 2.Qxb7#
- 1...Rg2
- 2.Qxb7#
- 1...Rg3
- 2.Qxb7#
- 1...Rg4
- 2.Qxb7#
- 1...Rg5
- 2.Qe1#
- 1...Rg6
- 2.Qxb7#
- 1...Rc7
- 2.Qh1#
- 1...Rd7
- 2.Qh1#
- 1...Re7
- 2.Qh1#
- 1...Rf7
- 2.Bf5#
- 1...Rh7
- 2.Qh1#
- 1...Bf4
- 2.Sf6#
- 1...Bg5
- 2.Qh1#
- 1...Bf7
- 2.Qxb7#
- 1...Bh7
- 2.Bf5#
- threat
- 1.Bxe6!
This is a version of 194123
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- R(j);S_CUTB(h)::QAR(A)
- R(j);N_GUARD::QAB(A)
- B(h);SBLOCK::S(G)
- B(h);S_CUTR(j)::QAB(A)
- B(k);N_GUARD::R(H),XP(g)
- Tries
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- B(h);XP(C)::QAB1(A),XP(b)
- R(j);N_GUARD::QAB(A),XP(i)
- Refutation
- S(a);N_SPINP(b),P_SPINP(g)
- Try
- Q(A);N_PINP(b),P_PINP(g)
- Threat
- DUALS(3)
- Vars
- B(h);XP(C)::QAB1(A)
- R(j);::QAB1(A)
- Refutation
- R(j);
- Try
- Actual
- B(E);P_SPINB(E),XP(g)
- Threat
- R(H)+B(E)
- Vars
- B(k);CHECK,OGATE,P_SPINB(k),XB(E)::R(H),XB(k)
- R(j);N_GUARD::QAB(A),XP(i)
- R(j);N_GUARD,P_PINP(C)::QAB(A),XP(i)
- R(j);S_CUTB(h)::QAR(A)
- R(j);N_GUARD::QAB(A)
- R(j);N_PINB(E)::R(H)+B(E),DCHECK
- B(h);SBLOCK::S(G)
- B(h);S_CUTR(j)::QAB(A)
- B(k);S_CUTR(j)::QAB(A),XP(i)
- B(k);N_PINB(E)::R(H)+B(E),DCHECK
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).