MESON Chess Problem Database
Problem Display
PID: 232610 (5R2/1q1p2nK/1N1pp2N/2rPkBP1/2pp3R/Q2Pr3/7b/8 w - - 0 1)
Heyl, Peter
Freie Presse, 2012
#2
10 + 11
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qxd5
- 2.Sxd7#
- 1...Rxd3
- 2.Re4#
- 1...Rf3
- 2.Re4#
- 1...Rg3
- 2.Re4#
- 1...Rh3
- 2.Re4#
- 1...Re4
- 2.Rxe4#
- 1...Rxd5
- 2.Sxc4#
- 1...Bf4
- 2.Sg4#
- 1...Sxf5
- 2.Sf7#
- 1...exf5
- 2.Sf7#
- 1...Qxd5
- Tries
- 1.Bh3?
- threat
- 2.Sg4#
- 2.Sf7#
- 1...Rxd3
- 2.Sf7#
- 1...Rxh3
- 2.Sg4#
- 2.Re4#
- 1...cxd3
- 2.Sf7#
- 1...exd5
- 2.Sf7#
- 1...Rf3
- 2.Sg4#
- 2.Re4#
- 1...Rg3
- 2.Sf7#
- 2.Re4#
- 1...Re4
- 2.Sf7#
- 2.Rxe4#
- 1...Sf5
- 2.Sf7#
- 1...Qxb6!
- threat
- 1.Be4?
- threat
- 2.Sg4#
- 2.Sf7#
- 1...Rxd3
- 2.Sf7#
- 1...Rxe4
- 2.Rxe4#
- 1...cxd3
- 2.Sf7#
- 1...Rf3
- 2.Sg4#
- 1...Rg3
- 2.Sf7#
- 1...Sf5
- 2.Sf7#
- 1...exd5!
- threat
- 1.Qb2?
- threat
- 2.Qxd4#
- 1...Qxd5
- 2.Sxd7#
- 1...Rxd3
- 2.Re4#
- 1...Rxd5
- 2.Sxc4#
- 1...Sxf5
- 2.Sf7#
- 1...Re4
- 2.Rxe4#
- 1...Bf4
- 2.Sg4#
- 1...c3!
- threat
- 1.Qa1?
- threat
- 2.Qxd4#
- 1...Qxd5
- 2.Sxd7#
- 1...Rxd3
- 2.Re4#
- 1...Rxd5
- 2.Sxc4#
- 1...Sxf5
- 2.Sf7#
- 1...Re4
- 2.Rxe4#
- 1...Bf4
- 2.Sg4#
- 1...c3!
- threat
- 1.Bh3?
- Keys
- 1.Qc3!
- threat
- 2.Qxd4#
- 1...Qxd5
- 2.Sxd7#
- 1...Rxd3
- 2.Re4#
- 1...Rxd5
- 2.Sxc4#
- 1...Sxf5
- 2.Sf7#
- 1...dxc3
- 2.d4#
- 1...Re4
- 2.Rxe4#
- 1...Bf4
- 2.Sg4#
- threat
- 1.Qc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- Q(i);N_GUARD,SBLOCK,XP(D)::S(G),XP(j)
- R(b);N_GUARD,XP(B)::R1(C)
- R(b);N_GUARD::R1(C)
- R(b);N_GUARD::R1(C),XR(b)
- R(e);N_GUARD,SBLOCK,XP(D)::S(G),XP(c)
- B(a);SBLOCK::S(H)
- S(k);SBLOCK,XB(E)::S(H)
- P(h);SBLOCK,XB(E)::S(H)
- Tries
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- R(b);XP(B)::S(H)
- P(c);XP(B)::S(H)
- P(h);XP(D)::S(H)
- S(k);::S(H)
- Refutation
- Q(i);XS(G)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- R(b);XP(B)::S(H)
- R(b);OGATE,XB(E)::R1(C),XR(b)
- P(c);XP(B)::S(H)
- R(b);::S(H)
- S(k);::S(H)
- Refutation
- P(h);XP(D)
- Try
- Q(A);P_PINP(d)
- Threat
- QAB1(A),XP(d)
- Vars
- Q(i);N_GUARD,SBLOCK,XP(D)::S(G),XP(j)
- R(b);N_GUARD,XP(B)::R1(C)
- R(e);N_GUARD,SBLOCK,XP(D)::S(G),XP(c)
- S(k);SBLOCK,XB(E)::S(H)
- R(b);N_GUARD::R1(C),XR(b)
- B(a);SBLOCK::S(H)
- Refutation
- P(c);N_SPINP(d)
- Try
- Q(A);P_PINP(d)
- Threat
- QAB1(A),XP(d)
- Vars
- Q(i);N_GUARD,SBLOCK,XP(D)::S(G),XP(j)
- R(b);N_GUARD,XP(B)::R1(C)
- R(e);N_GUARD,SBLOCK,XP(D)::S(G),XP(c)
- S(k);SBLOCK,XB(E)::S(H)
- R(b);N_GUARD::R1(C),XR(b)
- B(a);SBLOCK::S(H)
- Refutation
- P(c);N_SPINP(d)
- Try
- Actual
- Q(A);P_PINP(d)
- Threat
- QAB1(A),XP(d)
- Vars
- Q(i);N_GUARD,SBLOCK,XP(D)::S(G),XP(j)
- R(b);N_GUARD,XP(B)::R1(C)
- R(e);N_GUARD,SBLOCK,XP(D)::S(G),XP(c)
- S(k);SBLOCK,XB(E)::S(H)
- P(d);N_SPINP(d),OGATE,XQ(A)::P(B)
- R(b);N_GUARD::R1(C),XR(b)
- B(a);SBLOCK::S(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).