MESON Chess Problem Database
Problem Display
PID: 136764 (5B2/8/pp6/rk1PK3/brp3R1/1n6/4Q3/nR6 w - - 0 1)
Maleika, Gerhard
Paslack, Rainer
Die Schwalbe, 2010
#2
6 + 9
SOLUTION
- SOUND
- Sets
- 1...Sc1
- 2.Rxb4#
- 2.Qxc4#
- 1...Sd2
- 2.Rxb4#
- 1...Sd4
- 2.Rxb4#
- 1...Sc5
- 2.Qxc4#
- 1...Sc1
- Tries
- 1.Kf4?
- threat
- 2.Qe8#
- 1...Sd4
- 2.Rxb4#
- 1...Sc5!
- threat
- 1.Kf5?
- threat
- 2.Qe8#
- 1...Sc5
- 2.Qxc4#
- 1...Sd4+!
- threat
- 1.Kd6?
- threat
- 2.Qe8#
- 1...Sc5
- 2.Qxc4#
- 1...Sd4!
- threat
- 1.Bd6?
- 1...Sc1
- 2.Rxb4#
- 2.Qxc4#
- 1...Sd2
- 2.Rxb4#
- 1...Sd4
- 2.Rxb4#
- 1...Sc5
- 2.Qxc4#
- 1...Sc2!
- 1...Sc1
- 1.Be7?
- 1...Sc1
- 2.Rxb4#
- 2.Qxc4#
- 1...Sd2
- 2.Rxb4#
- 1...Sd4
- 2.Rxb4#
- 1...Sc5
- 2.Qxc4#
- 1...Sc2!
- 1...Sc1
- 1.Rb2?
- 1...Sc1
- 2.Rxb4#
- 2.Qxc4#
- 1...Sd2
- 2.Rxb4#
- 1...Sd4
- 2.Rxb4#
- 1...Sc5
- 2.Qxc4#
- 1...Sc2!
- 1...Sc1
- 1.Rxc4?
- threat
- 2.Rxb4#
- 2.Rc5#
- 1...Sc5
- 2.Rbxb4#
- 2.Rcxb4#
- 2.Rxc5#
- 1...Rxc4!
- threat
- 1.Rd4?
- 1...Sxd4
- 2.Rxb4#
- 1...Sc1
- 2.Rxb4#
- 2.Qxc4#
- 1...Sd2
- 2.Rxb4#
- 1...Sc5
- 2.Qxc4#
- 1...Sc2!
- 1...Sxd4
- 1.Re4?
- 1...Sc1
- 2.Rxb4#
- 2.Qxc4#
- 1...Sd2
- 2.Rxb4#
- 1...Sd4
- 2.Rxb4#
- 1...Sc5
- 2.Qxc4#
- 1...Sc2!
- 1...Sc1
- 1.Rf4?
- 1...Sc1
- 2.Rxb4#
- 2.Qxc4#
- 1...Sd2
- 2.Rxb4#
- 1...Sd4
- 2.Rxb4#
- 1...Sc5
- 2.Qxc4#
- 1...Sc2!
- 1...Sc1
- 1.Rh4?
- 1...Sc1
- 2.Rxb4#
- 2.Qxc4#
- 1...Sd2
- 2.Rxb4#
- 1...Sd4
- 2.Rxb4#
- 1...Sc5
- 2.Qxc4#
- 1...Sc2!
- 1...Sc1
- 1.Qf1?
- 1...Sc1
- 2.Rxb4#
- 2.Qxc4#
- 1...Sd2
- 2.Rxb4#
- 1...Sd4
- 2.Rxb4#
- 1...Sc5
- 2.Qxc4#
- 1...Sc2!
- 1...Sc1
- 1.Qd3?
- 1...cxd3
- 2.Rxb4#
- 1...Sc1
- 2.Rxb4#
- 2.Qxc4#
- 1...Sd2
- 2.Rxb4#
- 1...Sd4
- 2.Rxb4#
- 1...Sc5
- 2.Qxc4#
- 1...Sc2!
- 1...cxd3
- 1.Qe1?
- threat
- 2.Qxb4#
- 1...Sd2
- 2.Rxb4#
- 1...c3
- 2.Rxb4#
- 1...Sc2!
- threat
- 1.Qa2?
- 1...Sc1
- 2.Rxb4#
- 2.Qxc4#
- 1...Sd2
- 2.Rxb4#
- 1...Sd4
- 2.Rxb4#
- 1...Sc5
- 2.Qxc4#
- 1...c3
- 2.Rxb4#
- 1...Sc2!
- 1...Sc1
- 1.Qb2?
- 1...Sc1
- 2.Qxb4#
- 1...Sd2
- 2.Qxb4#
- 1...Sd4
- 2.Qxb4#
- 1...Sc5
- 2.Qxb4#
- 1...c3
- 2.Rxb4#
- 1...Sc2!
- 1...Sc1
- 1.Qc2?
- 1...Sc1
- 2.Rxb4#
- 2.Qxc4#
- 1...Sd2
- 2.Rxb4#
- 1...Sd4
- 2.Rxb4#
- 1...Sc5
- 2.Qxc4#
- 1...c3
- 2.Rxb4#
- 1...Sxc2!
- 1...Sc1
- 1.Qd2?
- threat
- 2.Qxb4#
- 1...Sxd2
- 2.Rxb4#
- 1...c3
- 2.Rxb4#
- 1...Sc2!
- threat
- 1.Qe4?
- 1...Sc1
- 2.Rxb4#
- 2.Qxc4#
- 1...Sd2
- 2.Rxb4#
- 1...Sd4
- 2.Rxb4#
- 1...Sc5
- 2.Qxc4#
- 1...c3
- 2.Qxb4#
- 1...Sc2!
- 1...Sc1
- 1.Kf4?
- Keys
- 1.Kf6!
- threat
- 2.Qe8#
- 1...Sd4
- 2.Rxb4#
- 1...Sc5
- 2.Qxc4#
- threat
- 1.Kf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- S(b);OGATE,P_SPINR(d)::R1(A),XR(d)
- S(b);P_SPINR(d)::QAB1(B),XP(e)
- Tries
- Try
- K(E);S_FLIGHT
- Threat
- QAB(B)
- Vars
- S(b);OGATE,P_SPINR(d)::R1(A),XR(d)
- Refutation
- S(b);P_SPINR(d)
- Try
- K(E);P-FLIGHT
- Threat
- QAB(B)
- Vars
- S(b);P_SPINR(d)::QAB1(B),XP(e)
- Refutation
- S(b);CHECK,P_SPINR(d)
- Try
- K(E);S_FLIGHT
- Threat
- QAB(B)
- Vars
- S(b);P_SPINR(d)::QAB1(B),XP(e)
- Refutation
- S(b);P_SPINR(d)
- Try
- B(F);
- Vars
- S(b);OGATE,P_SPINR(d)::R1(A),XR(d)
- S(b);P_SPINR(d)::QAB1(B),XP(e)
- Refutation
- S(a);
- Try
- B(F);
- Vars
- S(b);OGATE,P_SPINR(d)::R1(A),XR(d)
- S(b);P_SPINR(d)::QAB1(B),XP(e)
- Refutation
- S(a);
- Try
- R(A);
- Vars
- S(b);OGATE,P_SPINR(d)::R1(A),XR(d)
- S(b);P_SPINR(d)::QAB1(B),XP(e)
- Refutation
- S(a);
- Try
- R(C);XP(e)
- Threat
- DUALS(2)
- Refutation
- R(d);P_SPINR(d),P_SPINS(b),XR(C)
- Try
- R(C);
- Vars
- S(b);OGATE,P_SPINR(d),XR(C)::R1(A),XR(d)
- S(b);OGATE,P_SPINR(d)::R1(A),XR(d)
- S(b);P_SPINR(d)::QAB1(B),XP(e)
- Refutation
- S(a);
- Try
- R(C);
- Vars
- S(b);OGATE,P_SPINR(d)::R1(A),XR(d)
- S(b);P_SPINR(d)::QAB1(B),XP(e)
- Refutation
- S(a);
- Try
- R(C);
- Vars
- S(b);OGATE,P_SPINR(d)::R1(A),XR(d)
- S(b);P_SPINR(d)::QAB1(B),XP(e)
- Refutation
- S(a);
- Try
- R(C);
- Vars
- S(b);OGATE,P_SPINR(d)::R1(A),XR(d)
- S(b);P_SPINR(d)::QAB1(B),XP(e)
- Refutation
- S(a);
- Try
- Q(B);
- Vars
- S(b);OGATE,P_SPINR(d)::R1(A),XR(d)
- S(b);P_SPINR(d)::QAB1(B),XP(e)
- Refutation
- S(a);
- Try
- Q(B);
- Vars
- P(e);N_SPINP(e),OGATE,XQ(B)::R1(C),XR(d)
- S(b);OGATE,P_SPINR(d)::R1(A),XR(d)
- S(b);P_SPINR(d)::QAB1(B),XP(e)
- Refutation
- S(a);
- Try
- Q(B);N_PINP(e)
- Threat
- QAR1(B),XR(d)
- Vars
- S(b);OGATE,P_SPINR(d)::R1(A),XR(d)
- P(e);OGATE::R1(C),XR(d)
- Refutation
- S(a);
- Try
- Q(B);N_PINP(e)
- Vars
- S(b);OGATE,P_SPINR(d)::R1(A),XR(d)
- S(b);OGATE,P_SPINR(d)::QAB1(B),XP(e)
- P(e);OGATE::R1(C),XR(d)
- Refutation
- S(a);
- Try
- Q(B);N_PINP(e)
- Vars
- S(b);OGATE,P_SPINR(d)::QAR1(B),XR(d)
- P(e);OGATE::R1(C),XR(d)
- Refutation
- S(a);
- Try
- Q(B);N_PINP(e)
- Vars
- S(b);OGATE,P_SPINR(d)::R1(A),XR(d)
- S(b);P_SPINR(d)::QAB1(B),XP(e)
- P(e);OGATE::R1(C),XR(d)
- Refutation
- S(a);XQ(B)
- Try
- Q(B);N_PINP(e)
- Threat
- QAR1(B),XR(d)
- Vars
- S(b);OGATE,P_SPINR(d),XQ(B)::R1(A),XR(d)
- P(e);OGATE::R1(C),XR(d)
- Refutation
- S(a);
- Try
- Q(B);N_PINP(e)
- Vars
- S(b);OGATE,P_SPINR(d)::R1(A),XR(d)
- S(b);P_SPINR(d)::QAB1(B),XP(e)
- P(e);OGATE::QAR1(B),XR(d)
- Refutation
- S(a);
- Try
- Actual
- K(E);S_FLIGHT
- Threat
- QAB(B)
- Vars
- S(b);OGATE,P_SPINR(d)::R1(A),XR(d)
- S(b);P_SPINR(d)::QAB1(B),XP(e)
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).