MESON Chess Problem Database
Problem Display
PID: 240314 (2N1brn1/2nQ2N1/3P4/1p1R3p/4k3/qBR3B1/5P2/2b3K1 w - - 0 1)
Maleika, Gerhard
Problem-Forum, 2004
#2
10 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qxd6
- 2.Sxd6#
- 1...Rf5
- 2.Qxf5#
- 1...Bb2
- 2.Re3#
- 1...Be3
- 2.Rxe3#
- 1...Bf4
- 2.f3#
- 1...Bf7
- 2.Qf5#
- 2.f3#
- 1...Sa6
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sa8
- 2.Qe6#
- 1...Sf6
- 2.Qf5#
- 2.f3#
- 1...Qxd6
- Tries
- 1.Sf5?
- threat
- 2.Rd4#
- 2.Re5#
- 2.f3#
- 1...Qxd6
- 2.Sfxd6#
- 2.Scxd6#
- 2.f3#
- 1...Qxb3
- 2.Rd4#
- 2.Re5#
- 1...Rxf5
- 2.Qxf5#
- 1...Bxd7
- 2.Re5#
- 2.f3#
- 1...Sxd5
- 2.Bc2#
- 2.Qe6#
- 2.f3#
- 1...Be3
- 2.Rxe3#
- 1...Qb4
- 2.Re5#
- 2.f3#
- 1...Qa4
- 2.Re5#
- 2.f3#
- 1...Qa7
- 2.Re5#
- 1...Bf4
- 2.f3#
- 1...Se6
- 2.Re5#
- 2.Qxe6#
- 2.f3#
- 1...Qc5!
- threat
- 1.Rc4+?
- 1...Kf3
- 2.Bd1#
- 1...Kxd5
- 2.Sb6#
- 1...bxc4!
- 1...Kf3
- 1.Qg4+?
- 1...Rf4
- 2.f3#
- 1...Bf4
- 2.Re3#
- 2.Qf3#
- 2.f3#
- 1...hxg4!
- 1...Rf4
- 1.Qe7+?
- 1...Se6
- 2.Qxe6#
- 1...Sxe7!
- 1...Se6
- 1.Qf7?
- threat
- 2.Bc2#
- 2.f3#
- 1...Qxb3
- 2.f3#
- 1...Bxf7
- 2.f3#
- 1...Sxd5
- 2.Qxd5#
- 1...Qb2
- 2.f3#
- 1...Qc5
- 2.Bc2#
- 1...Qa2
- 2.f3#
- 1...Qa4
- 2.f3#
- 1...Qa7
- 2.Bc2#
- 1...Be3
- 2.Bc2#
- 2.Rxe3#
- 1...Se6
- 2.Qxe6#
- 2.f3#
- 1...Rxf7!
- threat
- 1.dxc7?
- threat
- 2.Bc2#
- 2.Rd4#
- 2.Re5#
- 2.Qe6#
- 1...Qxb3
- 2.Rd4#
- 2.Re5#
- 2.Qe6#
- 1...Rxf2
- 2.Rd4#
- 2.Re5#
- 2.Qe6#
- 1...Be3
- 2.Rxe3#
- 1...Qb2
- 2.Sd6#
- 2.Rd4#
- 2.Re5#
- 2.Qe6#
- 1...Qb4
- 2.Bc2#
- 2.Re5#
- 2.Qe6#
- 1...Qc5
- 2.Bc2#
- 2.Qe6#
- 1...Qd6
- 2.Sxd6#
- 1...Qe7
- 2.Bc2#
- 2.Rd4#
- 1...Qa2
- 2.Sd6#
- 2.Rd4#
- 2.Re5#
- 2.Qe6#
- 1...Qa4
- 2.Sd6#
- 2.Re5#
- 2.Qe6#
- 1...Qa6
- 2.Bc2#
- 2.Rd4#
- 2.Re5#
- 1...Qa7
- 2.Sd6#
- 2.Bc2#
- 2.Re5#
- 2.Qe6#
- 1...Rf3
- 2.Rd4#
- 2.Re5#
- 2.Qe6#
- 1...Rf4
- 2.Bc2#
- 2.Qe6#
- 1...Rf5
- 2.Bc2#
- 2.Rd4#
- 2.Qxf5#
- 1...Rf6
- 2.Bc2#
- 2.Rd4#
- 2.Re5#
- 1...Bf4
- 2.Bc2#
- 2.f3#
- 1...Bf7
- 2.Bc2#
- 2.Rd4#
- 2.Re5#
- 2.Qf5#
- 2.f3#
- 1...Bxd7!
- threat
- 1.Sf5?
- Keys
- 1.Se6!
- threat
- 2.Re5#
- 1...Qxd6
- 2.Sxd6#
- 1...Sxd5
- 2.Bc2#
- 1...Sxe6
- 2.Qxe6#
- 1...Be3
- 2.Rxe3#
- 1...Qc5
- 2.Sxc5#
- 1...Rf4
- 2.Sg5#
- 1...Rf5
- 2.Rd4#
- 1...Bf4
- 2.f3#
- threat
- 1.Se6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- Q(b);XP(G)::S(J),XQ(b)
- R(h);N_GUARD::QAB1(H),XR(h)
- B(a);N_GUARD::R1(D)
- B(a);N_GUARD,P_PINP(B)::R1(D),XB(a)
- B(a);S_CUTR(h)::P(B)
- S(f);N_GUARD::QAR2(H)
- S(f);N_GUARD::QAR2(H),XS(f)
- Tries
- Try
- S(I);
- Threat
- DUALS(3)
- Vars
- R(h);OGATE,XS(I)::QAB1(H),XR(h)
- B(a);N_GUARD,P_PINP(B)::R1(D),XB(a)
- Q(b);P_PINP(B)::R1(F)
- B(a);::P(B)
- Refutation
- Q(b);P_PINP(B)
- Try
- R(D);CHECK
- Vars
- K(c);S_FLIGHT::B(C)
- K(c);S_FLIGHT,XR(F)::S(J)
- Refutation
- P(d);XR(D)
- Try
- Q(H);CHECK
- Vars
- R(h);P_SPINR(h)::P(B)
- Refutation
- P(e);XQ(H)
- Try
- Q(H);CHECK
- Vars
- S(f);N_GUARD,P_SPINS(f)::QAR2(H),XS(f)
- Refutation
- S(i);XQ(H)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- Q(b);XB(C)::P(B)
- B(g);XQ(H)::P(B)
- S(f);OGATE,XR(F)::QAB1(H),XS(f)
- Q(b);::P(B)
- Q(b);P_PINP(B)::B(C)
- Refutation
- R(h);XQ(H)
- Try
- P(G);XS(f)
- Threat
- DUALS(4)
- Vars
- B(a);N_GUARD,P_PINP(B)::R1(D),XB(a)
- Q(b);N_GUARD::S(J),XQ(b)
- Refutation
- B(g);XQ(H)
- Try
- Actual
- S(I);
- Threat
- R1(F)
- Vars
- Q(b);XP(G)::S(J),XQ(b)
- S(f);SBLOCK,XR(F)::B(C)
- S(f);OGATE,XS(I)::QAR2(H),XS(f)
- B(a);N_GUARD,P_PINP(B)::R1(D),XB(a)
- Q(b);N_GUARD,P_PINP(B)::S(I),XQ(b)
- R(h);S_CUTB(a)::S(I)
- R(h);SBLOCK::R1(F)
- B(a);S_CUTR(h)::P(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).