MESON Chess Problem Database
Problem Display
PID: 268179 (8/5N2/Kp2PpP1/p2r1k1P/2Q2Bp1/2n4P/4p3/3bRB1N w - - 0 1)
van Engelen, Adrianus Cornelis
Probleemblad, 1985
#2
11 + 9
SOLUTION
- SOUND
- Sets
- 1...Rd2
- 2.Sg3#
- 2.Sh6#
- 1...Rd3
- 2.Sh6#
- 1...Rb5
- 2.Sg3#
- 2.Sd6#
- 2.Sh6#
- 1...Rc5
- 2.Sg3#
- 2.Sd6#
- 2.Sh6#
- 1...Re5
- 2.Sg3#
- 2.Sd6#
- 2.Sh6#
- 1...Rd6
- 2.Sg3#
- 2.Sxd6#
- 2.Sh6#
- 1...Rd7
- 2.Sg3#
- 2.Sh6#
- 1...Rd8
- 2.Sg3#
- 2.Sh6#
- 1...exf1Q
- 2.Sg3#
- 2.Sh6#
- 1...exf1S
- 2.Sh6#
- 1...exf1B
- 2.Sg3#
- 2.Sh6#
- 1...exf1R
- 2.Sg3#
- 2.Sh6#
- 1...gxh3
- 2.Bxh3#
- 1...Rd2
- Tries
- 1.Sd6+?
- 1...Rxd6
- 2.Sg3#
- 1...Kxe6!
- 1...Rxd6
- 1.Bc1?
- threat
- 2.Qxg4#
- 1...exf1Q
- 2.Sg3#
- 2.Sh6#
- 1...exf1S
- 2.Sh6#
- 2.Qf4#
- 1...exf1B
- 2.Sg3#
- 2.Sh6#
- 1...exf1R
- 2.Sg3#
- 2.Sh6#
- 1...gxh3
- 2.Bxh3#
- 1...Rd4
- 2.Sg3#
- 1...Se4
- 2.Qxd5#
- 1...g3
- 2.Qg4#
- 1...Kxe6!
- threat
- 1.Bd2?
- threat
- 2.Qxg4#
- 1...exf1Q
- 2.Sg3#
- 2.Sh6#
- 1...exf1S
- 2.Sh6#
- 2.Qf4#
- 1...exf1B
- 2.Sg3#
- 2.Sh6#
- 1...exf1R
- 2.Sg3#
- 2.Sh6#
- 1...gxh3
- 2.Bxh3#
- 1...Rd4
- 2.Sg3#
- 1...Se4
- 2.Qxd5#
- 1...g3
- 2.Qg4#
- 1...Kxe6!
- threat
- 1.Bh6?
- threat
- 2.Qxg4#
- 1...exf1Q
- 2.Sg3#
- 1...exf1S
- 2.Qf4#
- 1...exf1B
- 2.Sg3#
- 1...exf1R
- 2.Sg3#
- 1...gxh3
- 2.Bxh3#
- 1...Rd4
- 2.Sg3#
- 1...Se4
- 2.Qxd5#
- 1...g3
- 2.Qg4#
- 1...Kxe6!
- threat
- 1.Bc7?
- threat
- 2.Qxg4#
- 1...exf1Q
- 2.Sg3#
- 1...exf1S
- 2.Qf4#
- 1...exf1B
- 2.Sg3#
- 1...exf1R
- 2.Sg3#
- 1...gxh3
- 2.Bxh3#
- 1...Rd4
- 2.Sg3#
- 1...Se4
- 2.Qxd5#
- 1...g3
- 2.Qg4#
- 1...Kxe6!
- threat
- 1.Bb8?
- threat
- 2.Qxg4#
- 1...exf1Q
- 2.Sg3#
- 1...exf1S
- 2.Qf4#
- 1...exf1B
- 2.Sg3#
- 1...exf1R
- 2.Sg3#
- 1...gxh3
- 2.Bxh3#
- 1...Rd4
- 2.Sg3#
- 1...Se4
- 2.Qxd5#
- 1...g3
- 2.Qg4#
- 1...Kxe6!
- threat
- 1.Sd6+?
- Keys
- 1.Bd6!
- threat
- 2.Qxg4#
- 1...Kxe6
- 2.Qc8#
- 1...exf1Q
- 2.Sg3#
- 1...exf1S
- 2.Qf4#
- 1...exf1B
- 2.Sg3#
- 1...exf1R
- 2.Sg3#
- 1...gxh3
- 2.Bxh3#
- 1...Rd4
- 2.Sg3#
- 1...Se4
- 2.Qxd5#
- 1...g3
- 2.Qg4#
- threat
- 1.Bd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 7
- REMOVED MATES = 1
- Sets
- R(f);::S(K)
- P(b);XB(B)::S(K)
- P(d);OGATE,XP(D)::B(B),XP(d)
- Tries
- Try
- S(K);CHECK
- Vars
- R(f);XS(K)::S(C)
- Refutation
- K(g);P_SPINP(b),P_SPINR(f),S_FLIGHT,XP(I)
- Try
- B(F);
- Threat
- QAB1(E),XP(d)
- Vars
- P(d);OGATE,XP(D)::B(B),XP(d)
- R(f);::S(C)
- S(c);N_GUARD::QAR2(E),XR(f)
- P(d);::QAB1(E)
- Refutation
- K(g);P_SPINP(b),P_SPINR(f),S_FLIGHT,XP(I)
- Try
- B(F);
- Threat
- QAB1(E),XP(d)
- Vars
- P(d);OGATE,XP(D)::B(B),XP(d)
- R(f);::S(C)
- S(c);N_GUARD::QAR2(E),XR(f)
- P(d);::QAB1(E)
- Refutation
- K(g);P_SPINP(b),P_SPINR(f),S_FLIGHT,XP(I)
- Try
- B(F);
- Threat
- QAB1(E),XP(d)
- Vars
- P(b);P_PINQ(E),XB(B)::S(C)
- P(b);XB(B)::QAR1(E)
- P(b);XB(B)::S(C)
- P(d);OGATE,XP(D)::B(B),XP(d)
- R(f);::S(C)
- S(c);N_GUARD::QAR2(E),XR(f)
- P(d);::QAB1(E)
- Refutation
- K(g);P_SPINP(b),P_SPINR(f),S_FLIGHT,XP(I)
- Try
- B(F);
- Threat
- QAB1(E),XP(d)
- Vars
- P(b);P_PINQ(E),XB(B)::S(C)
- P(b);XB(B)::QAR1(E)
- P(b);XB(B)::S(C)
- P(d);OGATE,XP(D)::B(B),XP(d)
- R(f);::S(C)
- S(c);N_GUARD::QAR2(E),XR(f)
- P(d);::QAB1(E)
- Refutation
- K(g);P_SPINP(b),P_SPINR(f),S_FLIGHT,XP(I)
- Try
- B(F);
- Threat
- QAB1(E),XP(d)
- Vars
- P(b);P_PINQ(E),XB(B)::S(C)
- P(b);XB(B)::QAR1(E)
- P(b);XB(B)::S(C)
- P(d);OGATE,XP(D)::B(B),XP(d)
- R(f);::S(C)
- S(c);N_GUARD::QAR2(E),XR(f)
- P(d);::QAB1(E)
- Refutation
- K(g);P_SPINP(b),P_SPINR(f),S_FLIGHT,XP(I)
- Try
- Actual
- B(F);
- Threat
- QAB1(E),XP(d)
- Vars
- K(g);OGATEB,P_SPINP(b),P_SPINR(f),S_FLIGHT,XP(I)::QAB(E)
- P(b);P_PINQ(E),XB(B)::S(C)
- P(b);XB(B)::QAR1(E)
- P(b);XB(B)::S(C)
- P(d);OGATE,XP(D)::B(B),XP(d)
- R(f);::S(C)
- S(c);N_GUARD::QAR2(E),XR(f)
- P(d);::QAB1(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).