MESON Chess Problem Database
Problem Display
PID: 80246 (8/8/8/8/p2K4/4B3/nQp1pRN1/3k4 w - - 0 1)
Monreal, Pierre
1st HM., Pat, 1963
#2
5 + 5
SOLUTION
- SOUND
- Sets
- 1...Sc1
- 2.Qxc1#
- 1...Sc3
- 2.Qc1#
- 1...Sb4
- 2.Qc1#
- 1...c1Q
- 2.Qxe2#
- 1...c1S
- 2.Qd2#
- 1...c1B
- 2.Qxe2#
- 1...c1R
- 2.Qd2#
- 2.Qxe2#
- 1...e1Q
- 2.Qxc2#
- 1...e1S
- 2.Rd2#
- 1...e1B
- 2.Qxc2#
- 1...e1R
- 2.Rd2#
- 2.Qxc2#
- 1...Sc1
- Tries
- 1.Ke4?
- threat
- 2.Qd4#
- 1...c1Q
- 2.Qxe2#
- 1...c1S
- 2.Qd2#
- 1...c1B
- 2.Qxe2#
- 1...c1R
- 2.Qd2#
- 2.Qxe2#
- 1...e1Q
- 2.Qxc2#
- 1...e1S
- 2.Rd2#
- 1...e1B
- 2.Qxc2#
- 1...Sc1
- 2.Qxc1#
- 1...Sb4
- 2.Qc1#
- 1...Sc3+!
- threat
- 1.Bf4?
- 1...c1Q
- 2.Qxe2#
- 1...c1S
- 2.Qd2#
- 1...c1B
- 2.Qxe2#
- 1...c1R
- 2.Qd2#
- 2.Qxe2#
- 1...e1Q
- 2.Qxc2#
- 1...e1S
- 2.Se3#
- 2.Rd2#
- 1...e1B
- 2.Se3#
- 2.Qxc2#
- 1...e1R
- 2.Rd2#
- 2.Qxc2#
- 1...Sc1
- 2.Qxc1#
- 1...Sc3
- 2.Qc1#
- 1...Sb4
- 2.Qc1#
- 1...a3!
- 1...c1Q
- 1.Bg5?
- 1...c1Q
- 2.Qxe2#
- 1...c1S
- 2.Qd2#
- 1...c1B
- 2.Qxe2#
- 1...c1R
- 2.Qd2#
- 2.Qxe2#
- 1...e1Q
- 2.Qxc2#
- 1...e1S
- 2.Se3#
- 2.Rd2#
- 1...e1B
- 2.Se3#
- 2.Qxc2#
- 1...e1R
- 2.Rd2#
- 2.Qxc2#
- 1...Sc1
- 2.Qxc1#
- 1...Sc3
- 2.Qc1#
- 1...Sb4
- 2.Qc1#
- 1...a3!
- 1...c1Q
- 1.Bh6?
- 1...c1Q
- 2.Qxe2#
- 1...c1S
- 2.Qd2#
- 1...c1B
- 2.Qxe2#
- 1...c1R
- 2.Qd2#
- 2.Qxe2#
- 1...e1Q
- 2.Qxc2#
- 1...e1S
- 2.Se3#
- 2.Rd2#
- 1...e1B
- 2.Se3#
- 2.Qxc2#
- 1...e1R
- 2.Rd2#
- 2.Qxc2#
- 1...Sc1
- 2.Qxc1#
- 1...Sc3
- 2.Qc1#
- 1...Sb4
- 2.Qc1#
- 1...a3!
- 1...c1Q
- 1.Rxe2?
- threat
- 2.Re1#
- 2.Rd2#
- 2.Qxc2#
- 1...c1Q
- 2.Re1#
- 1...c1S
- 2.Re1#
- 2.Rd2#
- 2.Qc2#
- 2.Qd2#
- 1...c1B
- 2.Re1#
- 2.Qc2#
- 1...c1R
- 2.Re1#
- 2.Rd2#
- 2.Qd2#
- 1...Sb4
- 2.Re1#
- 2.Rd2#
- 1...Kxe2!
- threat
- 1.Ke4?
- Keys
- 1.Ke5!
- threat
- 2.Qd4#
- 1...c1Q
- 2.Qxe2#
- 1...c1S
- 2.Qd2#
- 1...c1B
- 2.Qxe2#
- 1...c1R
- 2.Qd2#
- 2.Qxe2#
- 1...e1Q
- 2.Qxc2#
- 1...e1S
- 2.Rd2#
- 1...e1B
- 2.Qxc2#
- 1...Sc1
- 2.Qxc1#
- 1...Sc3
- 2.Qc1#
- 1...Sb4
- 2.Qc1#
- threat
- 1.Ke5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(b);N_GUARD::QAR1(A),XS(b)
- S(b);N_GUARD::QAR1(A)
- P(c);OGATE::QAB1(A),XP(d)
- P(c);OGATE::QAR1(A)
- P(d);::QAB1(A),XP(c)
- P(d);OGATE::R1(B)
- Tries
- Try
- K(E);P-FLIGHT
- Threat
- QAR(A)
- Vars
- P(c);OGATE::QAB1(A),XP(d)
- P(c);OGATE::QAR1(A)
- P(d);P_PINB(D)::QAB1(A),XP(c)
- P(d);OGATE::R1(B)
- P(d);::QAB1(A),XP(c)
- S(b);N_GUARD::QAR1(A),XS(b)
- S(b);N_GUARD::QAR1(A)
- Refutation
- S(b);CHECK
- Try
- B(D);
- Vars
- P(c);OGATE::QAB1(A),XP(d)
- P(c);OGATE::QAR1(A)
- P(d);::QAB1(A),XP(c)
- S(b);N_GUARD::QAR1(A),XS(b)
- S(b);N_GUARD::QAR1(A)
- Refutation
- P(e);
- Try
- B(D);
- Vars
- P(c);OGATE::QAB1(A),XP(d)
- P(c);OGATE::QAR1(A)
- P(d);::QAB1(A),XP(c)
- S(b);N_GUARD::QAR1(A),XS(b)
- S(b);N_GUARD::QAR1(A)
- Refutation
- P(e);
- Try
- B(D);
- Vars
- P(c);OGATE::QAB1(A),XP(d)
- P(c);OGATE::QAR1(A)
- P(d);::QAB1(A),XP(c)
- S(b);N_GUARD::QAR1(A),XS(b)
- S(b);N_GUARD::QAR1(A)
- Refutation
- P(e);
- Try
- R(B);XP(d)
- Threat
- DUALS(3)
- Vars
- P(c);::R1(B)
- Refutation
- K(a);P_SPINP(c),S_FLIGHT,XR(B)
- Try
- Actual
- K(E);S_FLIGHT
- Threat
- QAR(A)
- Vars
- P(c);OGATE::QAB1(A),XP(d)
- P(c);OGATE::QAR1(A)
- P(d);P_PINB(D)::QAB1(A),XP(c)
- P(d);OGATE::R1(B)
- P(d);::QAB1(A),XP(c)
- S(b);N_GUARD::QAR1(A),XS(b)
- S(b);N_GUARD::QAR1(A)
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).