MESON Chess Problem Database
Problem Display
PID: 232591 (8/1BB1rbbq/1p1N2nR/P1kP2R1/P3p1nr/1K3Q2/2N1p3/8 w - - 0 1)
Heyl, Peter
Freie Presse, 2006
#2
11 + 11
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Re5
- 2.Qc3#
- 1...Rxc7
- 2.Sxe4#
- 1...Rd7
- 2.Sxe4#
- 1...Bxd5+
- 2.Rxd5#
- 1...Be6
- 2.Sxe4#
- 1...Bc3
- 2.Qxc3#
- 1...Be5
- 2.Sxe4#
- 1...Bxh6
- 2.Qc3#
- 1...Bf8
- 2.Qc3#
- 1...S4e5
- 2.Qe3#
- 1...Sf6
- 2.Qc3#
- 2.Qe3#
- 1...Sf4
- 2.Bxb6#
- 1...S6e5
- 2.Bxb6#
- 1...Sf8
- 2.Bxb6#
- 1...Sh8
- 2.Bxb6#
- 1...Re5
- Tries
- 1.Bc6?
- threat
- 2.Sb7#
- 1...Rxc7
- 2.Sxe4#
- 1...Bxd5+!
- threat
- 1.Re5?
- threat
- 2.Sxe4#
- 2.Qc3#
- 1...Bxd5+
- 2.Rxd5#
- 1...Rxe5
- 2.Qc3#
- 1...Rxc7
- 2.Sxe4#
- 1...Bxe5
- 2.Sxe4#
- 1...S4xe5
- 2.Qe3#
- 1...Sxh6
- 2.Qc3#
- 2.Qe3#
- 1...S6xe5
- 2.Bxb6#
- 1...exf3
- 2.Se4#
- 1...e1B
- 2.Sxe4#
- 1...e1R
- 2.Qc3#
- 1...Rh3
- 2.Sxe4#
- 1...Sf2
- 2.Qc3#
- 2.Qe3#
- 1...Sh2
- 2.Qc3#
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sf6
- 2.Qc3#
- 2.Qe3#
- 1...Sf4
- 2.Bxb6#
- 2.Qc3#
- 1...Sf8
- 2.Bxb6#
- 2.Qc3#
- 1...Sh8
- 2.Bxb6#
- 2.Qc3#
- 1...e3
- 2.Se4#
- 1...e1Q!
- threat
- 1.Qxe2?
- threat
- 2.Qc4#
- 2.Qb5#
- 1...Bxd5+
- 2.Rxd5#
- 2.Qc4#
- 1...Rxc7
- 2.Sxe4#
- 1...Be8
- 2.Qc4#
- 1...Se3
- 2.Qb5#
- 1...S4e5
- 2.Qb5#
- 2.Qe3#
- 1...S6e5
- 2.Bxb6#
- 2.Qb5#
- 1...b5
- 2.Qxb5#
- 1...Rh3+!
- threat
- 1.Qe3+?
- 1...Bd4
- 2.Qxd4#
- 1...Sxe3!
- 1...Bd4
- 1.Qg3?
- threat
- 2.Bxb6#
- 1...Bxd5+
- 2.Rxd5#
- 1...Rxc7
- 2.Sxe4#
- 1...Re5
- 2.Qc3#
- 1...Be5
- 2.Sxe4#
- 1...S4e5
- 2.Qe3#
- 1...b5
- 2.Bb6#
- 1...bxa5!
- threat
- 1.Bc6?
- Keys
- 1.Ba8!
- threat
- 2.Sb7#
- 1...Bxd5+
- 2.Rxd5#
- 1...Rxc7
- 2.Sxe4#
- 1...Re5
- 2.Qc3#
- 1...Be5
- 2.Sxe4#
- 1...S4e5
- 2.Qe3#
- 1...S6e5
- 2.Bxb6#
- threat
- 1.Ba8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 8
- Sets
- R(h);S_CUTB(j)::QAR2(C)
- R(h);N_GUARD,XB(K)::S(H),XP(b)
- R(h);N_GUARD::S(H),XP(b)
- B(i);CHECK,OGATE,P_SPINB(i),XP(F)::R1(G),XB(i)
- B(i);S_CUTR(h)::S(H),XP(b)
- B(j);N_GUARD::QAR2(C),XB(j)
- B(j);S_CUTR(h)::S(H),XP(b)
- B(j);N_GUARD,XR(I)::QAR2(C)
- B(j);N_GUARD::QAR2(C)
- S(c);N_GUARD,S_CUTB(j)::QAB(C)
- S(g);::B(K),XP(f)
- Tries
- Try
- B(J);
- Threat
- S(H)
- Vars
- R(h);N_GUARD,XB(K)::S(H),XP(b)
- Refutation
- B(i);CHECK,P_SPINB(i),XP(F)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- B(i);CHECK,OGATE,P_SPINB(i),XP(F)::R1(G),XB(i)
- R(h);XR(G)::QAR2(C)
- R(h);XB(K)::S(H),XP(b)
- B(j);XR(G)::S(H),XP(b)
- S(c);N_GUARD,XR(G)::QAB(C)
- S(g);XR(G)::B(K),XP(f)
- P(b);XQ(C)::S(H)
- P(a);::S(H),XP(b)
- P(a);::QAR2(C)
- R(d);P_PINQ(C)::S(H),XP(b)
- S(c);N_GUARD::QAB(C),XS(c)
- P(b);::S(H)
- Refutation
- P(a);
- Try
- Q(C);XP(a)
- Threat
- DUALS(2)
- Vars
- R(h);N_GUARD,XB(K)::S(H),XP(b)
- B(i);N_PINP(F)::QAR1(C)
- S(c);::QAR1(C)
- P(f);::QAR1(C),XP(f)
- Refutation
- R(d);CHECK
- Try
- Q(C);CHECK
- Vars
- B(j);N_GUARD,P_SPINB(j)::QAB1(C),XB(j)
- Refutation
- S(c);XQ(C)
- Try
- Q(C);
- Threat
- B(K),XP(f)
- Vars
- B(i);CHECK,OGATE,P_SPINB(i),XP(F)::R1(G),XB(i)
- R(h);N_GUARD,XB(K)::S(H),XP(b)
- R(h);S_CUTB(j)::QAR2(C)
- B(j);S_CUTR(h)::S(H),XP(b)
- S(c);N_GUARD,S_CUTB(j)::QAB(C)
- P(f);::B(K)
- Refutation
- P(f);XP(E)
- Try
- Actual
- B(J);
- Threat
- S(H)
- Vars
- B(i);CHECK,OGATE,P_SPINB(i),XP(F)::R1(G),XB(i)
- R(h);N_GUARD,XB(K)::S(H),XP(b)
- R(h);S_CUTB(j)::QAR2(C)
- B(j);S_CUTR(h)::S(H),XP(b)
- S(c);N_GUARD,S_CUTB(j)::QAB(C)
- S(g);::B(K),XP(f)
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).