MESON Chess Problem Database
Problem Display
PID: 135471 (bB2R3/3k2N1/2p3p1/2p4p/3r3P/1R1Q4/8/6K1 w - - 0 1)
Degener, Udo
Troll, 2009
#2
7 + 7
SOLUTION
- SOUND
- Sets
- 1...Rxd3
- 2.Rxd3#
- 1...Rd6
- 2.Qxd6#
- 1...Bb7
- 2.Rxb7#
- 1...c4
- 2.Qxd4#
- 1...g5
- 2.Qf5#
- 1...Rxd3
- Tries
- 1.Kf1?
- 1...Rxd3
- 2.Rxd3#
- 1...Rd6
- 2.Qxd6#
- 1...Bb7
- 2.Rxb7#
- 1...c4
- 2.Qxd4#
- 1...g5
- 2.Qf5#
- 1...Rd5!
- 1...Rxd3
- 1.Kh1?
- 1...Rxd3
- 2.Rxd3#
- 1...Rd6
- 2.Qxd6#
- 1...Bb7
- 2.Rxb7#
- 1...c4
- 2.Qxd4#
- 1...g5
- 2.Qf5#
- 1...Rd5!
- 1...Rxd3
- 1.Kf2?
- 1...Rxd3
- 2.Rxd3#
- 1...Rd6
- 2.Qxd6#
- 1...Bb7
- 2.Rxb7#
- 1...c4
- 2.Qxd4#
- 1...g5
- 2.Qf5#
- 1...Rd5!
- 1...Rxd3
- 1.Kg2?
- 1...Rxd3
- 2.Rxd3#
- 1...Rd6
- 2.Qxd6#
- 1...Bb7
- 2.Rxb7#
- 1...c4
- 2.Qxd4#
- 1...g5
- 2.Qf5#
- 1...Rd5!
- 1...Rxd3
- 1.Kh2?
- 1...Rxd3
- 2.Rxd3#
- 1...Rd6
- 2.Qxd6#
- 1...Bb7
- 2.Rxb7#
- 1...c4
- 2.Qxd4#
- 1...g5
- 2.Qf5#
- 1...Rd5!
- 1...Rxd3
- 1.Bh2?
- 1...Rxd3
- 2.Rxd3#
- 1...Rd6
- 2.Qxd6#
- 1...Bb7
- 2.Rxb7#
- 1...c4
- 2.Qxd4#
- 1...g5
- 2.Qf5#
- 1...Rd5!
- 1...Rxd3
- 1.Bg3?
- 1...Rxd3
- 2.Rxd3#
- 1...Rd6
- 2.Qxd6#
- 1...Bb7
- 2.Rxb7#
- 1...c4
- 2.Qxd4#
- 1...g5
- 2.Qf5#
- 1...Rd5!
- 1...Rxd3
- 1.Bf4?
- threat
- 2.Qh3#
- 1...Rxd3
- 2.Rxd3#
- 1...Rd6
- 2.Qxd6#
- 1...g5
- 2.Qf5#
- 1...Rd5!
- threat
- 1.Kf1?
- Keys
- 1.Be5!
- 1...Rxd3
- 2.Rxd3#
- 1...Rd6
- 2.Qxd6#
- 1...Rd5
- 2.Qh3#
- 1...Bb7
- 2.Rxb7#
- 1...c4
- 2.Qxd4#
- 1...g5
- 2.Qf5#
- 1...Rxd3
- 1.Be5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(a);N_SPINR(a),OGATE,XQ(C)::R(B),XR(a)
- R(a);OGATE::QAR1(C),XR(a)
- B(g);N_GUARD::R(B),XB(g)
- P(b);N_GUARD::QAR(C),XR(a)
- P(e);N_GUARD::QAB(C)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- R(a);N_SPINR(a),OGATE,XQ(C)::R(B),XR(a)
- R(a);OGATE::QAR1(C),XR(a)
- B(g);N_GUARD::R(B),XB(g)
- P(b);N_GUARD::QAR(C),XR(a)
- P(e);N_GUARD::QAB(C)
- Refutation
- R(a);
- Try
- K(A);P-FLIGHT
- Vars
- R(a);N_SPINR(a),OGATE,XQ(C)::R(B),XR(a)
- R(a);OGATE::QAR1(C),XR(a)
- B(g);N_GUARD::R(B),XB(g)
- P(b);N_GUARD::QAR(C),XR(a)
- P(e);N_GUARD::QAB(C)
- Refutation
- R(a);
- Try
- K(A);S_FLIGHT
- Vars
- R(a);N_SPINR(a),OGATE,XQ(C)::R(B),XR(a)
- R(a);OGATE::QAR1(C),XR(a)
- B(g);N_GUARD::R(B),XB(g)
- P(b);N_GUARD::QAR(C),XR(a)
- P(e);N_GUARD::QAB(C)
- Refutation
- R(a);
- Try
- K(A);P-FLIGHT
- Vars
- R(a);N_SPINR(a),OGATE,XQ(C)::R(B),XR(a)
- R(a);OGATE::QAR1(C),XR(a)
- B(g);N_GUARD::R(B),XB(g)
- P(b);N_GUARD::QAR(C),XR(a)
- P(e);N_GUARD::QAB(C)
- Refutation
- R(a);
- Try
- K(A);S_FLIGHT
- Vars
- R(a);N_SPINR(a),OGATE,XQ(C)::R(B),XR(a)
- R(a);OGATE::QAR1(C),XR(a)
- B(g);N_GUARD::R(B),XB(g)
- P(b);N_GUARD::QAR(C),XR(a)
- P(e);N_GUARD::QAB(C)
- Refutation
- R(a);
- Try
- B(F);
- Vars
- R(a);N_SPINR(a),OGATE,XQ(C)::R(B),XR(a)
- R(a);OGATE::QAR1(C),XR(a)
- B(g);N_GUARD::R(B),XB(g)
- P(b);N_GUARD::QAR(C),XR(a)
- P(e);N_GUARD::QAB(C)
- Refutation
- R(a);
- Try
- B(F);
- Vars
- R(a);N_SPINR(a),OGATE,XQ(C)::R(B),XR(a)
- R(a);OGATE::QAR1(C),XR(a)
- B(g);N_GUARD::R(B),XB(g)
- P(b);N_GUARD::QAR(C),XR(a)
- P(e);N_GUARD::QAB(C)
- Refutation
- R(a);
- Try
- B(F);
- Threat
- QAB(C)
- Vars
- R(a);N_SPINR(a),OGATE,XQ(C)::R(B),XR(a)
- R(a);OGATE::QAR1(C),XR(a)
- P(e);N_GUARD::QAB(C)
- Refutation
- R(a);
- Try
- Actual
- B(F);
- Vars
- R(a);N_SPINR(a),OGATE,XQ(C)::R(B),XR(a)
- R(a);OGATE::QAR1(C),XR(a)
- R(a);N_GUARD::QAB(C)
- B(g);N_GUARD::R(B),XB(g)
- P(b);N_GUARD::QAR(C),XR(a)
- P(e);N_GUARD::QAB(C)
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).