MESON Chess Problem Database
Problem Display
PID: 198303 (5Bnq/p1KQ3p/R1N2kp1/8/7b/2r2Np1/6P1/1B3R2 w - - 0 1)
Marin y Llovet, Valentin
Comm., Spanish National Ty., 1920
#2
9 + 9
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Qg7
- 2.Bxg7#
- 1...Ra3
- 2.Sa5#
- 1...Rb3
- 2.Sb4#
- 1...Rd3
- 2.Scd4#
- 1...Re3
- 2.Sce5#
- 1...Rxc6+
- 2.Rxc6#
- 1...Sh6
- 2.Qe7#
- 1...Se7
- 2.Qxe7#
- 1...g5
- 2.Qf5#
- 1...Qg7
- Tries
- 1.Sd2+?
- 1...Rf3
- 2.Se4#
- 1...Kg5!
- 1...Rf3
- 1.Sh2+?
- 1...Kg5
- 2.Qg4#
- 1...Rf3!
- 1...Kg5
- 1.Se5+?
- 1...Kg5
- 2.Qg4#
- 1...Rf3!
- 1...Kg5
- 1.Sg5+?
- 1...Rf3
- 2.Se4#
- 1...Kxg5!
- 1...Rf3
- 1.Rd1?
- threat
- 2.Rd6#
- 1...Rxc6+
- 2.Rxc6#
- 1...Se7
- 2.Qxe7#
- 1...Rd3
- 2.Scd4#
- 1...Re3
- 2.Sce5#
- 1...Rxf3!
- threat
- 1.Re1?
- threat
- 2.Re6#
- 2.Qe6#
- 1...Rxc6+
- 2.Rxc6#
- 1...Se7
- 2.Qe6#
- 2.Qxe7#
- 1...Qg7
- 2.Bxg7#
- 2.Re6#
- 2.Qxg7#
- 1...Rc2
- 2.Qe6#
- 1...Rd3
- 2.Scd4#
- 2.Qe6#
- 1...Re3
- 2.Sce5#
- 1...Rxf3!
- threat
- 1.Qd8+?
- 1...Kf7
- 2.Sg5#
- 1...Se7
- 2.Qxe7#
- 1...Ke6!
- 1...Kf7
- 1.Sd2+?
- Keys
- 1.Bh6!
- 1...Rxc6+
- 2.Rxc6#
- 1...Rxf3
- 2.Rxf3#
- 1...Sxh6
- 2.Qe7#
- 1...Se7
- 2.Qxe7#
- 1...Rc1
- 2.Se1#
- 1...Qg7
- 2.Bxg7#
- 1...Rc2
- 2.Sd2#
- 1...Ra3
- 2.Sa5#
- 1...Rb3
- 2.Sb4#
- 1...Rd3
- 2.Scd4#
- 1...Re3
- 2.Sce5#
- 1...Rc4
- 2.Sd4#
- 1...Rc5
- 2.Se5#
- 1...Bg5
- 2.Bxg5#
- 1...g5
- 2.Qf5#
- 1...Rxc6+
- 1.Bh6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- Q(i);N_GUARD,P_PINQ(H)::B(I),XQ(i)
- R(a);N_PINS(F)::R(E)+S(F)
- R(a);CHECK,OGATE,P_SPINR(a),XS(F)::R(E),XR(a)
- S(h);N_GUARD::QAB1(H)
- S(h);N_GUARD::QAB1(H),XS(h)
- P(e);N_GUARD::QAR1(H)
- Tries
- Try
- S(D);CHECK
- Vars
- R(a);N_PINS(F),P_SPINR(a)::S(D)
- Refutation
- K(d);S_FLIGHT
- Try
- S(D);CHECK
- Vars
- K(d);S_FLIGHT::QAR1(H)
- Refutation
- R(a);N_PINS(F),P_SPINR(a)
- Try
- S(D);CHECK
- Vars
- K(d);S_FLIGHT::QAR1(H)
- Refutation
- R(a);N_PINS(F),P_SPINR(a)
- Try
- S(D);CHECK
- Vars
- R(a);N_PINS(F),P_SPINR(a)::S(D)
- Refutation
- K(d);S_FLIGHT,XS(D)
- Try
- R(B);
- Threat
- R(B)
- Vars
- R(a);CHECK,OGATE,P_SPINR(a),XS(F)::R(E),XR(a)
- S(h);N_GUARD::QAB1(H),XS(h)
- R(a);N_PINS(F)::R(E)+S(F)
- Refutation
- R(a);N_PINS(F),XS(D)
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- R(a);CHECK,OGATE,P_SPINR(a),XS(F)::R(E),XR(a)
- R(a);::QAR1(H)
- R(a);N_PINS(F)::R(E)+S(F)
- Refutation
- R(a);N_PINS(F),XS(D)
- Try
- Q(H);CHECK
- Vars
- K(d);P-FLIGHT::R(B)+S(D),DCHECK
- S(h);N_GUARD,P_SPINS(h)::QAB1(H),XS(h)
- Refutation
- K(d);P-FLIGHT
- Try
- Actual
- B(I);
- Vars
- R(a);CHECK,OGATE,P_SPINR(a),XS(F)::R(E),XR(a)
- R(a);N_PINS(F),OGATE,P_SPINR(a),XS(D)::R(B),XR(a)
- S(h);N_GUARD,XB(I)::QAB1(H)
- S(h);N_GUARD::QAB1(H),XS(h)
- R(a);N_GUARD::R(B)+S(D)
- Q(i);N_GUARD,P_PINQ(H)::B(I),XQ(i)
- R(a);N_PINS(F)::R(E)+S(F)
- B(c);N_GUARD::B(I),XB(c)
- P(e);N_GUARD::QAR1(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).