MESON Chess Problem Database
Problem Display
PID: 79076 (5Q2/2K2R1B/1p5P/2P1B3/1rpR4/2pPk1rp/3pp2b/3bq3 w - - 0 1)
Heyl, Peter
Die Schwalbe, 2007
#2
9 + 12
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Rf3#
- 1...Rg2
- 2.Rf3#
- 1...Rf3
- 2.Rxf3#
- 1...Rg4
- 2.Rf3#
- 1...Rg5
- 2.Rf3#
- 1...Rg6
- 2.Rf3#
- 1...Rg8
- 2.Rf3#
- 1...cxd3
- 2.Rxd3#
- 1...Rg1
- Tries
- 1.Rdf4?
- threat
- 2.Bd4#
- 1...bxc5
- 2.Qxc5#
- 1...Rg6
- 2.Rf3#
- 1...cxd3!
- threat
- 1.Rg4?
- threat
- 2.Bd4#
- 1...Rxg4
- 2.Rf3#
- 1...bxc5
- 2.Qxc5#
- 1...Rf3
- 2.Rxf3#
- 1...Rg1
- 2.Rf3#
- 1...Rg2
- 2.Rf3#
- 1...cxd3!
- threat
- 1.Rd5?
- threat
- 2.Bd4#
- 1...cxd3
- 2.Rxd3#
- 1...bxc5
- 2.Qxc5#
- 1...Rf3
- 2.Rxf3#
- 1...Rg1
- 2.Rf3#
- 1...Rg2
- 2.Rf3#
- 1...Rg4
- 2.Rf3#
- 1...Rg5
- 2.Rf3#
- 1...Rg6
- 2.Rf3#
- 1...Rg8
- 2.Rf3#
- 1...Rg7!
- threat
- 1.Rd6?
- threat
- 2.Bd4#
- 1...cxd3
- 2.Rxd3#
- 1...Rg4
- 2.Rf3#
- 1...Rg6
- 2.Rf3#
- 1...bxc5!
- threat
- 1.Rd8?
- threat
- 2.Bd4#
- 1...cxd3
- 2.Rxd3#
- 1...bxc5
- 2.Qxc5#
- 1...Rf3
- 2.Rxf3#
- 1...Rg1
- 2.Rf3#
- 1...Rg2
- 2.Rf3#
- 1...Rg4
- 2.Rf3#
- 1...Rg5
- 2.Rf3#
- 1...Rg6
- 2.Rf3#
- 1...Rg8
- 2.Rf3#
- 1...Rg7!
- threat
- 1.Qa8?
- threat
- 2.Qe4#
- 1...Rf3
- 2.Rxf3#
- 2.Qxf3#
- 1...Rg4
- 2.Rf3#
- 2.Qf3#
- 1...Qh1!
- threat
- 1.dxc4?
- threat
- 2.Rd3#
- 1...Rf3
- 2.Rxf3#
- 1...Rg6
- 2.Rf3#
- 1...Bc2!
- threat
- 1.Rdf4?
- Keys
- 1.Rdd7!
- threat
- 2.Bd4#
- 1...cxd3
- 2.Rxd3#
- 1...bxc5
- 2.Qxc5#
- 1...Rf3
- 2.Rxf3#
- 1...Rg1
- 2.Rf3#
- 1...Rg2
- 2.Rf3#
- 1...Rg4
- 2.Rf3#
- 1...Rg5
- 2.Rf3#
- 1...Rg6
- 2.Rf3#
- 1...Rg7
- 2.Rf3#
- 1...Rg8
- 2.Rf3#
- threat
- 1.Rdd7!
There are these afters: 81410
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(h);N_GUARD,P_PINB(D)::R1(G)
- R(h);N_GUARD,P_PINB(D)::R1(G),XR(h)
- P(k);OGATE,XP(A)::R1(B),XP(k)
- Tries
- Try
- R(B);
- Threat
- B(D)
- Vars
- P(l);OGATE,XP(C)::QAB(I),XP(l)
- R(h);N_GUARD::R1(B)
- Refutation
- P(k);XP(A)
- Try
- R(B);
- Threat
- B(D)
- Vars
- R(h);N_GUARD,P_PINB(D),XR(B)::R1(G)
- P(l);OGATE,XP(C)::QAB(I),XP(l)
- R(h);N_GUARD,P_PINB(D)::R1(G),XR(h)
- R(h);N_GUARD,P_PINB(D)::R1(G)
- Refutation
- P(k);XP(A)
- Try
- R(B);
- Threat
- B(D)
- Vars
- P(k);OGATE,XP(A)::R1(B),XP(k)
- P(l);OGATE,XP(C)::QAB(I),XP(l)
- R(h);N_GUARD,P_PINB(D)::R1(G),XR(h)
- R(h);N_GUARD,P_PINB(D)::R1(G)
- Refutation
- R(h);P_PINB(D),P_PINR(G)
- Try
- R(B);
- Threat
- B(D)
- Vars
- P(k);OGATE,XP(A)::R1(B),XP(k)
- R(h);N_GUARD::R1(G)
- Refutation
- P(l);XP(C)
- Try
- R(B);
- Threat
- B(D)
- Vars
- P(k);OGATE,XP(A)::R1(B),XP(k)
- P(l);OGATE,XP(C)::QAB(I),XP(l)
- R(h);N_GUARD,P_PINB(D)::R1(G),XR(h)
- R(h);N_GUARD,P_PINB(D)::R1(G)
- Refutation
- R(h);P_PINB(D),P_PINR(G)
- Try
- Q(I);
- Threat
- QAR1(I)
- Refutation
- Q(b);
- Try
- P(A);XP(k)
- Threat
- R1(B)
- Vars
- R(h);N_GUARD,P_PINB(D)::R1(G),XR(h)
- R(h);N_GUARD,P_PINB(D)::R1(G)
- Refutation
- B(a);
- Try
- Actual
- R(B);
- Threat
- B(D)
- Vars
- P(k);OGATE,XP(A)::R1(B),XP(k)
- P(l);OGATE,XP(C)::QAB(I),XP(l)
- R(h);N_GUARD,P_PINB(D)::R1(G),XR(h)
- R(h);N_GUARD,P_PINB(D)::R1(G)
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).