MESON Chess Problem Database
Problem Display
PID: 190868 (2r5/3Qp3/PPBPN3/RKp1k1P1/2PNP1Rp/1pr2b2/5b2/6B1 w - - 0 1)
Lindstrom, Ismo
Tidskrift for Schack, 1983
#2
14 + 9
| 117 | Suomen Shakki | 1983 |
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Sxf3#
- 1...Rc2
- 2.Sxf3#
- 1...Rxc4
- 2.Sxf3#
- 1...Rxc6
- 2.Sxc6#
- 1...Be3
- 2.Sxf3#
- 1...Bxd4
- 2.Bh2#
- 1...Bxe4
- 2.Rxe4#
- 1...cxd4
- 2.Ka4#
- 2.Kb4#
- 1...exd6
- 2.Qg7#
- 1...Rc1
- Tries
- 1.Ka4?
- threat
- 2.Rxc5#
- 1...Rxc6
- 2.Sxc6#
- 1...Bxd4
- 2.Bh2#
- 2.Bxd4#
- 1...Bxe4
- 2.Rxe4#
- 1...exd6
- 2.Qg7#
- 1...Rxc4+!
- threat
- 1.dxe7?
- threat
- 2.Qd5#
- 1...Bxe4
- 2.Rxe4#
- 1...Rd8!
- threat
- 1.Ka4?
- Keys
- 1.Kxc5!
- threat
- 2.Kb4#
- 1...Rxc4+
- 2.Kxc4#
- 1...Rxc6+
- 2.Kxc6#
- 1...Bxd4+
- 2.Bxd4#
- 1...exd6+
- 2.Qxd6#
- 1...Bxe4
- 2.Rxe4#
- threat
- 1.Kxc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 4
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- R(c);N_GUARD::S(C),XB(d)
- R(c);N_GUARD,XP(B)::S(C),XB(d)
- R(i);XB(K)::S(C),XR(i)
- B(a);S_CUTR(c)::S(C),XB(d)
- B(a);N_GUARD,XS(C)::B(A)
- B(d);OGATE,XP(D)::R1(E),XB(d)
- P(h);OGATE,SBLOCK,XP(L)::QAB(N)
- Tries
- Try
- K(G);P_PINP(f),S_FLIGHT
- Threat
- R(F),XP(f)
- Vars
- R(i);XB(K)::S(C),XR(i)
- B(d);OGATE,XP(D)::R1(E),XB(d)
- P(h);OGATE,SBLOCK,XP(L)::QAB(N)
- Refutation
- R(c);CHECK,XP(B)
- Try
- P(L);XP(h)
- Threat
- QAR1(N)
- Vars
- B(d);OGATE,XP(D)::R1(E),XB(d)
- Refutation
- R(i);
- Try
- Actual
- K(G);P-FLIGHT,P_SPINB(K),P_SPINP(B),P_SPINS(C),XP(f)
- Threat
- R(F)+K(G)
- Vars
- R(c);CHECK,XP(B)::R(F)+K(G),XR(c)
- R(i);CHECK,XB(K)::R(F)+K(G),XR(i)
- B(a);CHECK,OGATE,XS(C)::B(A),XB(a)
- P(h);CHECK,OGATE,XP(L)::QAB1(N),XP(h)
- B(d);OGATE,XP(D)::R1(E),XB(d)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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