MESON Chess Problem Database
Problem Display
PID: 176284 (5n2/1p3R1B/3K2P1/1NpRB1p1/2p1k1pp/b6Q/1p2qP2/2r1N2b w - - 0 1)
Myllyniemi, Matti Arvo
Schach-Echo, 1976
#2
10 + 13
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.Qe3#
- 1...Qf1
- 2.Qxg4#
- 2.Qe3#
- 1...Qd3
- 2.Qxg4#
- 1...Qxe1
- 2.Qxg4#
- 1...Qc2
- 2.Qxg4#
- 2.Qxh1#
- 2.Qe3#
- 1...Qd2
- 2.Qxh1#
- 1...Qe3
- 2.Qxe3#
- 1...Ra1
- 2.Sc3#
- 1...Rb1
- 2.Sc3#
- 1...Rd1
- 2.Sc3#
- 1...Rxe1
- 2.Sc3#
- 1...Rc3
- 2.Sxc3#
- 1...Se6
- 2.g7#
- 1...Sxg6
- 2.Bxg6#
- 1...Sd7
- 2.g7#
- 1...g3
- 2.Qf5#
- 1...Qd1
- Tries
- 1.Bxb2?
- threat
- 2.Re5#
- 1...Qxb2
- 2.Qxg4#
- 2.Qxh1#
- 2.Qe3#
- 1...Qd1
- 2.Qe3#
- 1...Qd3
- 2.Qxg4#
- 1...Qd2
- 2.Qxh1#
- 1...Rd1
- 2.Sc3#
- 1...Sd7
- 2.g7#
- 1...Bxb2!
- threat
- 1.Bh2?
- threat
- 2.Re5#
- 1...Qd1
- 2.Qe3#
- 1...Qd3
- 2.Qxg4#
- 1...Rd1
- 2.Sc3#
- 1...Sd7
- 2.g7#
- 1...Qd2!
- threat
- 1.Bc3?
- threat
- 2.Re5#
- 1...Qd1
- 2.Qe3#
- 1...Qd3
- 2.Qxg4#
- 1...Qd2
- 2.Qxh1#
- 1...Sd7
- 2.g7#
- 1...Rd1!
- threat
- 1.Bg3?
- threat
- 2.Re5#
- 1...Qxe1
- 2.Qxg4#
- 1...Rxe1
- 2.Sc3#
- 1...Qd3
- 2.Qxg4#
- 1...Qd2
- 2.Qxh1#
- 1...Rd1
- 2.Sc3#
- 1...Sd7
- 2.g7#
- 1...Qd1!
- threat
- 1.Bd4?
- threat
- 2.Re5#
- 1...Sd7
- 2.g7#
- 1...cxd4+!
- threat
- 1.Bf4?
- threat
- 2.Re5#
- 1...Qd1
- 2.Qe3#
- 1...Qd2
- 2.Qxh1#
- 1...Rd1
- 2.Sc3#
- 1...Sd7
- 2.g7#
- 1...Qd3!
- threat
- 1.Bg7?
- threat
- 2.Re5#
- 1...Qd1
- 2.Qe3#
- 1...Qd3
- 2.Qxg4#
- 1...Qd2
- 2.Qxh1#
- 1...Rd1
- 2.Sc3#
- 1...Sd7!
- threat
- 1.g7+?
- 1...Sg6
- 2.Bxg6#
- 1...Sxh7!
- 1...Sg6
- 1.Bxb2?
- Keys
- 1.Bh8!
- threat
- 2.Re5#
- 1...Qd1
- 2.Qe3#
- 1...Qd3
- 2.Qxg4#
- 1...Qd2
- 2.Qxh1#
- 1...Rd1
- 2.Sc3#
- 1...Sd7
- 2.g7#
- threat
- 1.Bh8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 9
- Sets
- Q(d);N_GUARD,P_PINR(E)::QAR1(C)
- Q(d);N_GUARD,P_PINR(E)::QAR2(C),XP(h)
- Q(d);N_GUARD,XS(A)::QAR2(C),XP(h)
- Q(d);N_GUARD,P_PINR(E)::QAB(C),XB(b)
- Q(d);N_GUARD::QAR1(C),XQ(d)
- R(a);N_GUARD::S(D)
- R(a);N_GUARD,P_PINR(E)::S(D)
- R(a);N_GUARD,XS(A)::S(D)
- R(a);N_GUARD::S(D),XR(a)
- S(m);N_GUARD::B(J)+P(H)
- S(m);OGATE,P_SPINS(m),XP(H)::B(J),XS(m)
- P(h);OGATE::QAB1(C)
- Tries
- Try
- B(F);XP(c)
- Threat
- R1(E)
- Vars
- Q(d);N_GUARD,P_PINR(E)::QAR1(C)
- Q(d);N_GUARD,P_PINR(E)::QAR2(C),XP(h)
- Q(d);N_GUARD,P_PINR(E)::QAB(C),XB(b)
- R(a);N_GUARD,P_PINR(E)::S(D)
- S(m);N_GUARD::B(J)+P(H)
- Refutation
- B(e);XB(F)
- Try
- B(F);
- Threat
- R1(E)
- Vars
- Q(d);N_GUARD,P_PINR(E)::QAR1(C)
- Q(d);N_GUARD,P_PINR(E)::QAR2(C),XP(h)
- R(a);N_GUARD,P_PINR(E)::S(D)
- S(m);N_GUARD::B(J)+P(H)
- Refutation
- Q(d);P_PINR(E)
- Try
- B(F);
- Threat
- R1(E)
- Vars
- Q(d);N_GUARD,P_PINR(E)::QAR1(C)
- Q(d);N_GUARD,P_PINR(E)::QAR2(C),XP(h)
- Q(d);N_GUARD,P_PINR(E)::QAB(C),XB(b)
- S(m);N_GUARD::B(J)+P(H)
- Refutation
- R(a);P_PINR(E)
- Try
- B(F);
- Threat
- R1(E)
- Vars
- Q(d);N_GUARD,XS(A)::QAR2(C),XP(h)
- R(a);N_GUARD,XS(A)::S(D)
- Q(d);N_GUARD,P_PINR(E)::QAR2(C),XP(h)
- Q(d);N_GUARD,P_PINR(E)::QAB(C),XB(b)
- R(a);N_GUARD,P_PINR(E)::S(D)
- S(m);N_GUARD::B(J)+P(H)
- Refutation
- Q(d);P_PINR(E)
- Try
- B(F);
- Threat
- R1(E)
- Vars
- S(m);N_GUARD::B(J)+P(H)
- Refutation
- P(j);CHECK,XB(F)
- Try
- B(F);
- Threat
- R1(E)
- Vars
- Q(d);N_GUARD,P_PINR(E)::QAR1(C)
- Q(d);N_GUARD,P_PINR(E)::QAB(C),XB(b)
- R(a);N_GUARD,P_PINR(E)::S(D)
- S(m);N_GUARD::B(J)+P(H)
- Refutation
- Q(d);P_PINR(E)
- Try
- B(F);
- Threat
- R1(E)
- Vars
- Q(d);N_GUARD,P_PINR(E)::QAR1(C)
- Q(d);N_GUARD,P_PINR(E)::QAR2(C),XP(h)
- Q(d);N_GUARD,P_PINR(E)::QAB(C),XB(b)
- R(a);N_GUARD,P_PINR(E)::S(D)
- Refutation
- S(m);
- Try
- P(H);CHECK
- Vars
- S(m);N_GUARD,P_SPINS(m)::B(J),XS(m)
- Refutation
- S(m);XB(J)
- Try
- Actual
- B(F);
- Threat
- R1(E)
- Vars
- Q(d);N_GUARD,P_PINR(E)::QAR1(C)
- Q(d);N_GUARD,P_PINR(E)::QAR2(C),XP(h)
- Q(d);N_GUARD,P_PINR(E)::QAB(C),XB(b)
- R(a);N_GUARD,P_PINR(E)::S(D)
- S(m);N_GUARD::B(J)+P(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).