MESON Chess Problem Database
Problem Display
PID: 57234 (n7/1p1K4/Rb4p1/Pp1k2pb/1P1P2r1/1P3p1B/2Q2N2/B2R4 w - - 0 1)
Muller, Dieter
Troll, 1996
#2
11 + 10
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Be6#
- 2.Qe4#
- 1...Rg2
- 2.Be6#
- 2.Qe4#
- 1...Rg3
- 2.Be6#
- 2.Qe4#
- 1...Rxd4
- 2.Qe4#
- 1...Re4
- 2.Qxe4#
- 1...Rf4
- 2.Be6#
- 1...Rh4
- 2.Be6#
- 1...Bxd4
- 2.Qc5#
- 1...Bxa5
- 2.Rd6#
- 2.Qc5#
- 1...Bc5
- 2.Qxc5#
- 1...Ba7
- 2.Rd6#
- 1...Bc7
- 2.Qc5#
- 1...Bd8
- 2.Rd6#
- 2.Qc5#
- 1...bxa6
- 2.Qc6#
- 1...Rg1
- Tries
- 1.Sxg4?
- threat
- 2.Se3#
- 2.Sf6#
- 1...Bxd4
- 2.Rxd4#
- 2.Rd6#
- 1...Bd8
- 2.Se3#
- 2.Rd6#
- 1...Bxg4+!
- threat
- 1.Bb2?
- 1...Rxd4
- 2.Qe4#
- 1...Bxd4
- 2.Qc5#
- 1...Bxa5
- 2.Rd6#
- 2.Qc5#
- 1...bxa6
- 2.Qc6#
- 1...Rg1
- 2.Be6#
- 2.Qe4#
- 1...Rg2
- 2.Be6#
- 2.Qe4#
- 1...Rg3
- 2.Be6#
- 2.Qe4#
- 1...Re4
- 2.Qxe4#
- 1...Rf4
- 2.Be6#
- 1...Rh4
- 2.Be6#
- 1...Bc5
- 2.Qxc5#
- 1...Ba7
- 2.Rd6#
- 1...Bc7
- 2.Qc5#
- 1...Bd8
- 2.Rd6#
- 2.Qc5#
- 1...Sc7!
- 1...Rxd4
- 1.Bxg4?
- threat
- 2.Be6#
- 2.Qe4#
- 1...Bxd4
- 2.Qe4#
- 2.Qc5#
- 1...Sc7
- 2.Qe4#
- 1...Bxg4+!
- threat
- 1.Rd2?
- 1...Rxd4
- 2.Qe4#
- 1...Bxd4
- 2.Qc5#
- 1...Bxa5
- 2.Rd6#
- 2.Qc5#
- 1...bxa6
- 2.Qc6#
- 1...Rg1
- 2.Be6#
- 2.Qe4#
- 1...Rg2
- 2.Be6#
- 2.Qe4#
- 1...Rg3
- 2.Be6#
- 2.Qe4#
- 1...Re4
- 2.Qxe4#
- 1...Rf4
- 2.Be6#
- 1...Rh4
- 2.Be6#
- 1...Bc5
- 2.Qxc5#
- 1...Ba7
- 2.Rd6#
- 1...Bc7
- 2.Qc5#
- 1...Bd8
- 2.Rd6#
- 2.Qc5#
- 1...Sc7!
- 1...Rxd4
- 1.Rxb6?
- threat
- 2.Rxb5#
- 2.Rd6#
- 2.Qc5#
- 1...Rxd4
- 2.Rxb5#
- 2.Qe4#
- 2.Qc5#
- 1...Sc7
- 2.Rd6#
- 2.Qc5#
- 1...Sxb6+!
- threat
- 1.Rxa8?
- 1...Rxd4
- 2.Qe4#
- 1...Bxd4
- 2.Qc5#
- 1...Bxa5
- 2.Qc5#
- 1...Rg1
- 2.Be6#
- 2.Qe4#
- 1...Rg2
- 2.Be6#
- 2.Qe4#
- 1...Rg3
- 2.Be6#
- 2.Qe4#
- 1...Re4
- 2.Qxe4#
- 1...Rf4
- 2.Be6#
- 1...Rh4
- 2.Be6#
- 1...Bc5
- 2.Qxc5#
- 1...Bc7
- 2.Qc5#
- 1...Bd8
- 2.Qc5#
- 1...Ba7!
- 1...Rxd4
- 1.Qxg6?
- threat
- 2.Qf5#
- 2.Qd6#
- 2.Qe6#
- 1...Sc7
- 2.Qf5#
- 2.Qd6#
- 1...Re4
- 2.Qxe4#
- 2.Qd6#
- 1...Rf4
- 2.Be6#
- 2.Qd6#
- 2.Qe6#
- 1...Bc5
- 2.Qf5#
- 2.Qe6#
- 1...Bc7
- 2.Qe6#
- 1...Bxg6!
- threat
- 1.Qe2?
- threat
- 2.Qe5#
- 2.Qe6#
- 1...Rxd4
- 2.Be6#
- 2.Qe4#
- 2.Qe6#
- 1...Bxd4
- 2.Rd6#
- 2.Qxb5#
- 2.Qe6#
- 1...Sc7
- 2.Qe5#
- 1...Re4
- 2.Qxe4#
- 1...Bc7
- 2.Qxb5#
- 2.Qe6#
- 1...fxe2!
- threat
- 1.Qc8?
- threat
- 2.Qxb7#
- 2.Qg8#
- 1...Bxd4
- 2.Qc5#
- 1...bxa6
- 2.Qb7#
- 2.Qc6#
- 2.Qxa8#
- 2.Qg8#
- 1...Sc7
- 2.Qxb7#
- 1...Re4
- 2.Qxb7#
- 1...Rf4
- 2.Be6#
- 2.Qxb7#
- 1...Bd8
- 2.Rd6#
- 2.Qxb7#
- 2.Qc5#
- 1...Rxd4!
- threat
- 1.Sxg4?
- Keys
- 1.Re1!
- threat
- 2.Re5#
- 1...Rxd4
- 2.Be6#
- 1...Bxd4
- 2.Rd6#
- 1...Re4
- 2.Qxe4#
- 1...Bc7
- 2.Qc5#
- threat
- 1.Re1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- R(b);N_GUARD,P_SPINR(b),XP(H)::QAB1(C)
- R(b);N_GUARD::QAB1(C),XR(b)
- R(b);OGATE::B(F)
- B(g);N_GUARD,P_SPINB(g),XP(H)::QAR1(C)
- B(g);N_GUARD::QAR1(C),XB(g)
- B(g);OGATE::R1(J)
- B(g);N_GUARD::QAR1(C)
- P(i);N_GUARD,XR(J)::QAB1(C)
- Tries
- Try
- S(D);XR(b)
- Threat
- DUALS(2)
- Refutation
- B(f);CHECK,XS(D)
- Try
- B(A);
- Vars
- R(b);N_GUARD,P_SPINR(b),XP(H)::QAB1(C)
- B(g);N_GUARD,P_SPINB(g),XP(H)::QAR1(C)
- P(i);N_GUARD,XR(J)::QAB1(C)
- R(b);N_GUARD::QAB1(C),XR(b)
- R(b);OGATE::B(F)
- B(g);N_GUARD::QAR1(C),XB(g)
- B(g);OGATE::R1(J)
- B(g);N_GUARD::QAR1(C)
- Refutation
- S(j);
- Try
- B(F);XR(b)
- Threat
- DUALS(2)
- Vars
- S(j);::QAB1(C)
- Refutation
- B(f);CHECK,XB(F)
- Try
- R(B);
- Vars
- R(b);N_GUARD,P_SPINR(b),XP(H)::QAB1(C)
- B(g);N_GUARD,P_SPINB(g),XP(H)::QAR1(C)
- P(i);N_GUARD,XR(J)::QAB1(C)
- R(b);N_GUARD::QAB1(C),XR(b)
- R(b);OGATE::B(F)
- B(g);N_GUARD::QAR1(C),XB(g)
- B(g);OGATE::R1(J)
- B(g);N_GUARD::QAR1(C)
- Refutation
- S(j);
- Try
- R(J);XB(g)
- Threat
- DUALS(3)
- Refutation
- S(j);CHECK,XR(J)
- Try
- R(J);XS(j)
- Vars
- R(b);N_GUARD,P_SPINR(b),XP(H)::QAB1(C)
- B(g);N_GUARD,P_SPINB(g),XP(H)::QAR1(C)
- B(g);N_GUARD,XP(I)::QAR1(C)
- R(b);N_GUARD::QAB1(C),XR(b)
- R(b);OGATE::B(F)
- B(g);N_GUARD::QAR1(C),XB(g)
- B(g);N_GUARD::QAR1(C)
- Refutation
- B(g);
- Try
- Q(C);XP(h)
- Threat
- DUALS(3)
- Vars
- B(g);::QAB1(C)
- Refutation
- B(f);XQ(C)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- S(j);::QAR1(C)
- R(b);N_GUARD::QAB1(C),XR(b)
- Refutation
- P(a);XQ(C)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- B(g);N_GUARD,P_SPINB(g),XP(H)::QAR1(C)
- S(j);::QAB(C),XP(i)
- R(b);::QAB(C),XP(i)
- Refutation
- R(b);P_SPINR(b),XP(H)
- Try
- Actual
- R(B);
- Threat
- R1(B)
- Vars
- R(b);OGATE,XP(H)::B(F)
- B(g);OGATE,XP(H)::R1(J)
- R(b);N_GUARD::QAB1(C),XR(b)
- B(g);N_GUARD::QAR1(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).