MESON Chess Problem Database
Problem Display
PID: 261399 (3K2n1/b1pB2pQ/N4p2/r3kp2/2P2N1R/B2R1P1b/3p2r1/8 w - - 0 1)
Jaeger, Peter R
Neue Zurcher Zeitung, 1997
#2
10 + 11
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Re2
- 2.Sg6#
- 1...Rf2
- 2.Sg6#
- 1...Rh2
- 2.Sg6#
- 1...Rg4
- 2.Qxf5#
- 1...Rg6
- 2.Sxg6#
- 1...Rxa3
- 2.Rd5#
- 1...Ra4
- 2.Rd5#
- 1...Rc5
- 2.Bb2#
- 1...Rd5
- 2.Rxd5#
- 1...Rxa6
- 2.Rd5#
- 1...Bg4
- 2.Sg6#
- 1...Bc5
- 2.Rd5#
- 1...Bb8
- 2.Bb2#
- 1...c5
- 2.Bb2#
- 2.Rd5#
- 1...c6
- 2.Bd6#
- 1...g5
- 2.Sg6#
- 1...Re2
- Tries
- 1.Sb4?
- threat
- 2.Sc6#
- 1...Rg4
- 2.Qxf5#
- 1...Bg4
- 2.Sg6#
- 1...Rc5
- 2.Bb2#
- 1...Ra6
- 2.Rd5#
- 1...c6
- 2.Sxc6#
- 1...Se7!
- threat
- 1.Sxc7?
- threat
- 2.Bd6#
- 1...Rxa3
- 2.Rd5#
- 1...Rc5
- 2.Bb2#
- 1...Rd5
- 2.Rxd5#
- 1...Ra6
- 2.Rd5#
- 1...Bc5
- 2.Rd5#
- 1...Bd4!
- threat
- 1.Sb8?
- threat
- 2.Sc6#
- 1...Bxb8
- 2.Bb2#
- 1...Rg4
- 2.Qxf5#
- 1...Bg4
- 2.Sg6#
- 1...Rc5
- 2.Bb2#
- 1...Ra6
- 2.Rd5#
- 1...c6
- 2.Sxc6#
- 2.Bd6#
- 1...Se7!
- threat
- 1.Bc5?
- threat
- 2.Re3#
- 2.Rd5#
- 1...Bxc5
- 2.Rd5#
- 1...Rg4
- 2.Qxf5#
- 1...Bg4
- 2.Sg6#
- 1...d1Q
- 2.Re3#
- 1...d1S
- 2.Rd5#
- 1...d1R
- 2.Re3#
- 1...Re2
- 2.Sg6#
- 2.Rd5#
- 1...Ra3
- 2.Rd5#
- 1...Se7
- 2.Re3#
- 1...c6
- 2.Bd6#
- 2.Re3#
- 1...Rxc5!
- threat
- 1.Re3+?
- 1...Bxe3
- 2.Sd3#
- 1...Kd4!
- 1...Bxe3
- 1.Rg4?
- threat
- 2.Sg6#
- 2.Qxf5#
- 1...Rxg4
- 2.Qxf5#
- 1...Bxg4
- 2.Sg6#
- 1...fxg4
- 2.Sg6#
- 2.Qe4#
- 2.Qf5#
- 1...Sh6
- 2.Sg6#
- 1...g6
- 2.Sxg6#
- 1...Se7!
- threat
- 1.Qxg8?
- threat
- 2.Qe6#
- 2.Qe8#
- 1...Rxa6
- 2.Rd5#
- 2.Qd5#
- 1...Bg4
- 2.Sg6#
- 1...Bc5
- 2.Rd5#
- 2.Qd5#
- 2.Qe6#
- 1...Rg4!
- threat
- 1.Sb4?
- Keys
- 1.Rxd2!
- threat
- 2.Sd3#
- 1...Rxd2
- 2.Sg6#
- 1...Rxa3
- 2.Rd5#
- 1...Rg4
- 2.Qxf5#
- 1...Bg4
- 2.Sg6#
- 1...Rc5
- 2.Bb2#
- 1...Rd5
- 2.Rxd5#
- 1...Bc5
- 2.Rd5#
- 1...c5
- 2.Bb2#
- 2.Rd5#
- threat
- 1.Rxd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- R(b);N_GUARD::S(E)
- R(b);S_CUTB(c)::QAR1(I),XP(f)
- R(b);N_GUARD::S(E),XR(b)
- R(d);N_GUARD,XB(A)::R1(B)
- R(d);N_GUARD::R1(B)
- R(d);S_CUTB(h)::B(A)
- R(d);N_GUARD,P_PINB(H)::R1(B),XR(d)
- R(d);N_GUARD,XS(G)::R1(B)
- B(c);S_CUTR(b)::S(E)
- B(h);S_CUTR(d)::R1(B)
- B(h);N_GUARD::B(A)
- P(i);N_GUARD::B(A)
- P(j);S_CUTR(b)::S(E)
- Tries
- Try
- S(G);
- Threat
- S(G)
- Vars
- R(b);S_CUTB(c)::QAR1(I),XP(f)
- B(c);S_CUTR(b)::S(E)
- R(d);S_CUTB(h)::B(A)
- R(d);N_GUARD::R1(B)
- P(i);::S(G),XP(i)
- Refutation
- S(k);
- Try
- S(G);XP(i)
- Threat
- B(A)
- Vars
- R(d);N_GUARD,XB(A)::R1(B)
- R(d);S_CUTB(h)::B(A)
- R(d);N_GUARD,P_PINB(H)::R1(B),XR(d)
- R(d);N_GUARD::R1(B)
- B(h);S_CUTR(d)::R1(B)
- Refutation
- B(h);
- Try
- S(G);
- Threat
- S(G)
- Vars
- B(h);N_GUARD,XS(G)::B(A)
- R(b);S_CUTB(c)::QAR1(I),XP(f)
- B(c);S_CUTR(b)::S(E)
- R(d);S_CUTB(h)::B(A)
- R(d);N_GUARD::R1(B)
- Refutation
- S(k);
- Try
- B(A);
- Threat
- DUALS(2)
- Vars
- B(h);XB(A)::R1(B)
- R(b);S_CUTB(c)::QAR1(I),XP(f)
- B(c);S_CUTR(b)::S(E)
- P(a);::R(B)
- P(a);::R1(B)
- R(d);::R1(B)
- S(k);::R(B)
- Refutation
- R(d);XB(A)
- Try
- R(B);CHECK
- Vars
- B(h);XR(B)::S(E)
- Refutation
- K(e);S_FLIGHT
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- R(b);XR(F)::QAR1(I),XP(f)
- B(c);XR(F)::S(E)
- S(k);::S(E)
- P(j);::S(E),XP(j)
- Refutation
- S(k);
- Try
- Q(I);XS(k)
- Threat
- DUALS(2)
- Vars
- B(c);S_CUTR(b)::S(E)
- Refutation
- R(b);
- Try
- Actual
- R(B);XP(a)
- Threat
- S(E)
- Vars
- R(b);N_GUARD,P_PINB(H),XR(B)::S(E)
- R(d);N_GUARD,XB(A)::R1(B)
- R(b);S_CUTB(c)::QAR1(I),XP(f)
- B(c);S_CUTR(b)::S(E)
- R(d);S_CUTB(h)::B(A)
- R(d);N_GUARD,P_PINB(H)::R1(B),XR(d)
- B(h);S_CUTR(d)::R1(B)
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).