MESON Chess Problem Database
Problem Display
PID: 56318 (B5n1/3b1rN1/1R1P2Qp/3Pk3/8/2K1PP2/7N/8 w - - 0 1)
Bruch, Wieland
The Problemist, 2004
#2
10 + 5
SOLUTION
- SOUND
- Sets
- 1...Rxf3
- 2.Sxf3#
- 1...Rf5
- 2.Sg4#
- 1...Rf6
- 2.Qe4#
- 1...Re7
- 2.f4#
- 1...Rxg7
- 2.f4#
- 1...Ba4
- 2.Sg4#
- 2.Qe6#
- 1...Bg4
- 2.Sxg4#
- 1...Bb5
- 2.Sg4#
- 2.Qe6#
- 1...Bc6
- 2.Qe6#
- 1...Be6
- 2.Qxe6#
- 1...Be8
- 2.Sg4#
- 2.Qe6#
- 1...Sf6
- 2.Qg3#
- 2.f4#
- 1...Rxf3
- Tries
- 1.Se8?
- threat
- 2.Qe4#
- 1...Rxf3
- 2.Sxf3#
- 1...Bxe8
- 2.Sg4#
- 2.Qe6#
- 1...Rf5
- 2.Sg4#
- 1...Bf5
- 2.Qg3#
- 1...Sf6
- 2.f4#
- 1...Rf4!
- threat
- 1.Rb4?
- threat
- 2.Re4#
- 1...Bc6
- 2.Qe6#
- 1...Be6
- 2.Qxe6#
- 1...Sf6
- 2.Qg3#
- 1...Rf4
- 2.exf4#
- 1...Bf5
- 2.f4#
- 1...Rf6!
- threat
- 1.Qf5+?
- 1...Rxf5
- 2.Sg4#
- 1...Bxf5!
- 1...Rxf5
- 1.Qh5+?
- 1...Rf5
- 2.Sg4#
- 1...Bf5
- 2.Sg4#
- 1...Kf6!
- 1...Rf5
- 1.Qxf7?
- threat
- 2.Qf4#
- 1...Bc6
- 2.Qe6#
- 1...Bf5
- 2.Qxf5#
- 1...Sf6!
- threat
- 1.Qg3+?
- 1...Rf4
- 2.Qxf4#
- 1...Kf6!
- 1...Rf4
- 1.Qg4?
- threat
- 2.Qd4#
- 1...Rxg7
- 2.Qf4#
- 1...Bxg4
- 2.Sxg4#
- 1...Bc6
- 2.Qe6#
- 1...Rf4
- 2.Qxf4#
- 1...Kf6!
- threat
- 1.Qg5+?
- 1...Rf5
- 2.Sg4#
- 1...Bf5
- 2.Sg4#
- 1...hxg5!
- 1...Rf5
- 1.Se8?
- Keys
- 1.Sh5!
- threat
- 2.Qe4#
- 1...Rxf3
- 2.Sxf3#
- 1...Bc6
- 2.Qe6#
- 1...Rf4
- 2.exf4#
- 1...Rf5
- 2.Sg4#
- 1...Bf5
- 2.Qg3#
- 1...Sf6
- 2.f4#
- threat
- 1.Sh5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 5
- Sets
- R(d);P_PINP(C),XP(D)::S(A),XR(d)
- R(d);S_CUTB(c)::S(A)
- R(d);SBLOCK::QAR1(H)
- R(d);N_GUARD::P(D)
- R(d);N_GUARD,XS(I)::P(D)
- B(c);N_GUARD::S(A),XB(c)
- B(c);N_GUARD::QAR1(H)
- B(c);N_GUARD::QAR1(H),XB(c)
- Tries
- Try
- S(I);
- Threat
- QAR1(H)
- Vars
- R(d);P_PINP(C),XP(D)::S(A),XR(d)
- R(d);S_CUTB(c)::S(A)
- B(c);SBLOCK,S_CUTR(d)::QAB(H)
- S(e);S_CUTR(d)::P(D)
- Refutation
- R(d);
- Try
- R(F);
- Threat
- R1(F)
- Vars
- B(c);N_GUARD::QAR1(H)
- B(c);N_GUARD::QAR1(H),XB(c)
- S(e);SBLOCK,S_CUTR(d)::QAB(H)
- R(d);OGATE::P(C),XR(d)
- B(c);S_CUTR(d)::P(D)
- Refutation
- R(d);
- Try
- Q(H);CHECK
- Vars
- R(d);XQ(H)::S(A)
- Refutation
- B(c);XQ(H)
- Try
- Q(H);CHECK
- Vars
- R(d);P_SPINR(d)::S(A)
- B(c);P_SPINB(c)::S(A)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(H);XR(d)
- Threat
- QAB1(H)
- Vars
- B(c);N_GUARD::QAR1(H)
- B(c);N_GUARD::QAR1(H),XB(c)
- Refutation
- S(e);
- Try
- Q(H);CHECK
- Vars
- R(d);N_GUARD,P_SPINR(d)::QAB1(H),XR(d)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(H);
- Threat
- QAB1(H)
- Vars
- R(d);N_GUARD,XS(I)::QAB1(H)
- B(c);XQ(H)::S(A),XB(c)
- B(c);N_GUARD::QAR1(H)
- R(d);N_GUARD::QAB1(H),XR(d)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(H);CHECK
- Vars
- R(d);P_SPINR(d)::S(A)
- B(c);P_SPINB(c)::S(A)
- Refutation
- P(b);XQ(H)
- Try
- Actual
- S(I);
- Threat
- QAR1(H)
- Vars
- R(d);P_PINP(C),XP(D)::S(A),XR(d)
- B(c);N_GUARD::QAR1(H)
- R(d);OGATE::P(C),XR(d)
- R(d);S_CUTB(c)::S(A)
- B(c);SBLOCK,S_CUTR(d)::QAB(H)
- S(e);S_CUTR(d)::P(D)
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).