MESON Chess Problem Database
Problem Display
PID: 47118 (3b3q/2P3np/4p3/Q6r/2P1k1P1/1nR1BNP1/5Kb1/8 w - - 0 1)
Heyl, Peter
Schach-Aktiv, 2003
#2
9 + 9
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Qe5#
- 2.Qa8#
- 1...Rh2
- 2.Qe5#
- 2.Qa8#
- 1...Rh3
- 2.Qe5#
- 2.Qa8#
- 1...Rh4
- 2.Qe5#
- 2.Qa8#
- 1...Re5
- 2.Qxe5#
- 1...Rh6
- 2.Qe5#
- 2.Qa8#
- 1...Bg5
- 2.Qe5#
- 1...Sa1
- 2.Sd2#
- 1...Sc1
- 2.Sd2#
- 1...Sd2
- 2.Sxd2#
- 1...Sd4
- 2.Sd2#
- 1...Sf5
- 2.Qa8#
- 1...e5
- 2.Qd5#
- 2.Qa8#
- 1...Rh1
- Tries
- 1.Bc1?
- threat
- 2.Re3#
- 1...Bg5
- 2.Qe5#
- 1...Sf5
- 2.Qa8#
- 1...Bxf3!
- threat
- 1.Bd2?
- threat
- 2.Re3#
- 1...Bg5
- 2.Qe5#
- 1...Sf5
- 2.Qa8#
- 1...Bxf3!
- threat
- 1.Bd4?
- threat
- 2.Re3#
- 1...Bg5
- 2.Qe5#
- 1...Sf5
- 2.Qa8#
- 1...Bxf3!
- threat
- 1.Bf4?
- threat
- 2.Re3#
- 1...Sf5
- 2.Qa8#
- 1...Bxf3!
- threat
- 1.Bc5?
- threat
- 2.Re3#
- 1...Sf5
- 2.Qa8#
- 1...Bg5!
- threat
- 1.Bg5?
- threat
- 2.Re3#
- 2.Qe5#
- 2.Qa8#
- 1...Rxg5
- 2.Re3#
- 1...Bxg5
- 2.Qe5#
- 1...Bxc7
- 2.Re3#
- 1...Sxa5
- 2.Re3#
- 1...Qe8
- 2.Re3#
- 2.Qe5#
- 1...Bf6
- 2.Re3#
- 1...Be7
- 2.Re3#
- 2.Qe5#
- 1...Sd4
- 2.Sd2#
- 2.Re3#
- 2.Qe5#
- 1...Sc5
- 2.Re3#
- 1...Sf5
- 2.Qa8#
- 1...Se8
- 2.Re3#
- 2.Qa8#
- 1...e5
- 2.Re3#
- 2.Qd5#
- 2.Qxe5#
- 2.Qa8#
- 1...Bxf3!
- threat
- 1.Bh6?
- threat
- 2.Re3#
- 1...Bg5
- 2.Qe5#
- 1...Sf5
- 2.Qa8#
- 1...Bxf3!
- threat
- 1.Ba7?
- threat
- 2.Re3#
- 1...Bg5
- 2.Qe5#
- 1...Sf5!
- threat
- 1.Bc1?
- Keys
- 1.Bb6!
- threat
- 2.Re3#
- 1...Bg5
- 2.Qe5#
- 1...Sf5
- 2.Qa8#
- threat
- 1.Bb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- R(d);N_GUARD::QAR1(H),XR(d)
- B(h);S_CUTR(d)::QAR1(H)
- S(b);N_GUARD::S(D)
- S(b);N_GUARD::S(D),XS(b)
- S(f);S_CUTR(d)::QAB(H)
- Tries
- Try
- B(C);
- Threat
- R1(B)
- Vars
- B(h);S_CUTR(d)::QAR1(H)
- S(f);S_CUTR(d)::QAB(H)
- Refutation
- B(a);XS(D)
- Try
- B(C);
- Threat
- R1(B)
- Vars
- B(h);S_CUTR(d)::QAR1(H)
- S(f);S_CUTR(d)::QAB(H)
- Refutation
- B(a);XS(D)
- Try
- B(C);
- Threat
- R1(B)
- Vars
- B(h);S_CUTR(d)::QAR1(H)
- S(f);S_CUTR(d)::QAB(H)
- Refutation
- B(a);XS(D)
- Try
- B(C);
- Threat
- R1(B)
- Vars
- S(f);S_CUTR(d)::QAB(H)
- Refutation
- B(a);XS(D)
- Try
- B(C);
- Threat
- R1(B)
- Vars
- S(f);S_CUTR(d)::QAB(H)
- Refutation
- B(h);
- Try
- B(C);
- Threat
- DUALS(3)
- Vars
- R(d);XB(C)::R1(B)
- B(h);XB(C)::QAR1(H)
- B(h);XP(I)::R1(B)
- S(b);XQ(H)::R1(B)
- B(h);::R1(B)
- S(b);::R1(B)
- S(f);::QAB(H)
- Refutation
- B(a);XS(D)
- Try
- B(C);
- Threat
- R1(B)
- Vars
- B(h);S_CUTR(d)::QAR1(H)
- S(f);S_CUTR(d)::QAB(H)
- Refutation
- B(a);XS(D)
- Try
- B(C);
- Threat
- R1(B)
- Vars
- B(h);S_CUTR(d)::QAR1(H)
- Refutation
- S(f);
- Try
- Actual
- B(C);
- Threat
- R1(B)
- Vars
- B(h);S_CUTR(d)::QAR1(H)
- S(f);S_CUTR(d)::QAB(H)
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).