MESON Chess Problem Database
Problem Display
PID: 246406 (B2b2Q1/1r3bP1/3PNn2/pR3P2/R2Pk2p/1K1N3r/2P1P1n1/6B1 w - - 0 1)
Hjelle, David
Europe Echecs, 1959
#2
14 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rxd3+
- 2.cxd3#
- 1...Bh5
- 2.Sg5#
- 1...Bxe6+
- 2.Qxe6#
- 1...Bg6
- 2.Sg5#
- 1...Be8
- 2.Sg5#
- 1...Bb6
- 2.Re5#
- 1...Se3
- 2.Sf2#
- 1...Sg4
- 2.Bxb7#
- 1...Sh5
- 2.Bxb7#
- 1...Sd7
- 2.Bxb7#
- 1...Sh7
- 2.Bxb7#
- 1...Se8
- 2.Bxb7#
- 1...Sxg8
- 2.Bxb7#
- 1...Rxd3+
- Tries
- 1.Ka2?
- threat
- 2.Re5#
- 1...Bxe6+
- 2.Qxe6#
- 1...Sg4
- 2.Bxb7#
- 1...Sd7
- 2.Bxb7#
- 1...Sd5!
- threat
- 1.Ka3?
- threat
- 2.Sg5#
- 2.Re5#
- 1...Rxd3+
- 2.cxd3#
- 1...Bxe6
- 2.Re5#
- 2.Qxe6#
- 1...Sxg8
- 2.Bxb7#
- 2.Re5#
- 1...Rg3
- 2.Re5#
- 1...Sg4
- 2.Bxb7#
- 1...Sh5
- 2.Bxb7#
- 2.Re5#
- 1...Sd7
- 2.Bxb7#
- 1...Sh7
- 2.Bxb7#
- 2.Re5#
- 1...Se8
- 2.Bxb7#
- 2.Re5#
- 1...Sd5!
- threat
- 1.Kc3?
- threat
- 2.Sg5#
- 2.Re5#
- 1...Rxd3+
- 2.cxd3#
- 1...Bxe6
- 2.Re5#
- 2.Qxe6#
- 1...Sxg8
- 2.Bxb7#
- 2.Re5#
- 1...Rg3
- 2.Re5#
- 1...Sg4
- 2.Bxb7#
- 1...Sh5
- 2.Bxb7#
- 2.Re5#
- 1...Sd7
- 2.Bxb7#
- 1...Sh7
- 2.Bxb7#
- 2.Re5#
- 1...Se8
- 2.Bxb7#
- 2.Re5#
- 1...Sd5+!
- threat
- 1.Qxf7?
- threat
- 2.Sg5#
- 1...Rxd3+
- 2.cxd3#
- 1...Sg4
- 2.Sc5#
- 2.Bxb7#
- 2.Qxb7#
- 2.d5#
- 1...Sd5
- 2.Sc5#
- 1...Sh5
- 2.Sc5#
- 2.Bxb7#
- 2.Qxb7#
- 2.d5#
- 1...Sd7
- 2.Bxb7#
- 2.d5#
- 1...Sh7
- 2.Sc5#
- 2.Bxb7#
- 2.Qxb7#
- 2.d5#
- 1...Se8
- 2.Sc5#
- 2.Bxb7#
- 2.Qxb7#
- 2.d5#
- 1...Sg8
- 2.Sc5#
- 2.Bxb7#
- 2.Qxb7#
- 2.d5#
- 1...Rg3!
- threat
- 1.Ka2?
- Keys
- 1.Qh7!
- threat
- 2.d5#
- 1...Rxd3+
- 2.cxd3#
- 1...Sxh7
- 2.Bxb7#
- 1...Bg6
- 2.Sg5#
- 1...Bb6
- 2.Re5#
- 1...Se3
- 2.Sf2#
- 1...Sd5
- 2.Sc5#
- threat
- 1.Qh7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 8
- Sets
- R(b);CHECK,OGATE,P_PINS(K),XS(E)::P(B),XR(b)
- B(h);::S(K)
- B(h);CHECK,OGATE,XS(K)::QAR2(N),XB(h)
- B(i);N_PINR(H)::R1(H)
- S(a);N_PINS(E),P_PINS(K),SBLOCK::S(E)
- S(f);N_GUARD::B(M),XR(g)
- S(f);N_GUARD,XQ(N)::B(M),XR(g)
- Tries
- Try
- K(D);N_SPINR(H),N_SPINS(E),P_SPINS(K),S_FLIGHT
- Threat
- R1(H)
- Vars
- B(h);CHECK,OGATE,XS(K)::QAR2(N),XB(h)
- S(f);N_GUARD::B(M),XR(g)
- Refutation
- S(f);N_PINS(K),N_SPINR(g)
- Try
- K(D);N_SPINR(H),P-FLIGHT
- Threat
- DUALS(2)
- Vars
- R(b);CHECK,OGATE,XS(E)::P(B),XR(b)
- R(b);::R1(H)
- S(f);N_GUARD::B(M),XR(g)
- Refutation
- S(f);N_SPINR(g)
- Try
- K(D);N_SPINR(H),P-FLIGHT
- Threat
- DUALS(2)
- Vars
- R(b);CHECK,OGATE,XS(E)::P(B),XR(b)
- R(b);::R1(H)
- S(f);N_GUARD::B(M),XR(g)
- Refutation
- S(f);CHECK,N_SPINR(g)
- Try
- Q(N);XB(h)
- Threat
- S(K)
- Vars
- R(b);CHECK,OGATE,XS(E)::P(B),XR(b)
- S(f);N_SPINR(g)::S(K)
- Refutation
- R(b);
- Try
- Actual
- Q(N);
- Threat
- R(F)+P(G)
- Vars
- R(b);CHECK,OGATE,P_PINS(K),XS(E)::P(B),XR(b)
- S(f);N_GUARD,XQ(N)::B(M),XR(g)
- B(h);::S(K)
- B(i);N_PINR(H)::R1(H)
- S(a);N_PINS(E),P_PINS(K),SBLOCK::S(E)
- S(f);N_SPINR(g),SBLOCK::S(K)
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).