MESON Chess Problem Database
Problem Display
PID: 255958 (8/8/K7/Rp6/8/8/4R3/Q4qk1 w - - 0 1)
Pypa, Volodimir Iosifovich
Buletin Problemistic, 1976
#2
4 + 3
| 15601 | Albrecht-Leiss-Degener Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Kh1
- 2.Qxf1#
- 1...Qxa1
- 2.Rxa1#
- 1...Qb1
- 2.Qxb1#
- 1...Qc1
- 2.Qxc1#
- 1...Qd1
- 2.Qxd1#
- 1...Qe1
- 2.Qxe1#
- 1...Kh1
- Tries
- 1.Kb6?
- 1...Kh1
- 2.Qxf1#
- 1...Qxa1
- 2.Rxa1#
- 1...Qb1
- 2.Qxb1#
- 1...Qc1
- 2.Qxc1#
- 1...Qd1
- 2.Qxd1#
- 1...Qe1
- 2.Qxe1#
- 1...b4!
- 1...Kh1
- 1.Ka7?
- 1...Kh1
- 2.Qxf1#
- 1...Qxa1
- 2.Rxa1#
- 1...Qb1
- 2.Qxb1#
- 1...Qc1
- 2.Qxc1#
- 1...Qd1
- 2.Qxd1#
- 1...Qe1
- 2.Qxe1#
- 1...b4!
- 1...Kh1
- 1.Kb7?
- 1...Kh1
- 2.Qxf1#
- 1...Qxa1
- 2.Rxa1#
- 1...Qb1
- 2.Qxb1#
- 1...Qc1
- 2.Qxc1#
- 1...Qd1
- 2.Qxd1#
- 1...Qe1
- 2.Qxe1#
- 1...b4!
- 1...Kh1
- 1.Rb2?
- 1...Kh1
- 2.Qxf1#
- 1...Qxa1
- 2.Rxa1#
- 1...Qb1
- 2.Qxb1#
- 1...Qc1
- 2.Qxc1#
- 1...Qd1
- 2.Qxd1#
- 1...Qe1
- 2.Qxe1#
- 1...b4+!
- 1...Kh1
- 1.Rc2?
- 1...Kh1
- 2.Qxf1#
- 1...Qxa1
- 2.Rxa1#
- 1...Qb1
- 2.Qxb1#
- 1...Qc1
- 2.Qxc1#
- 1...Qd1
- 2.Qxd1#
- 1...Qe1
- 2.Qxe1#
- 1...b4+!
- 1...Kh1
- 1.Rd2?
- 1...Kh1
- 2.Qxf1#
- 1...Qxa1
- 2.Rxa1#
- 1...Qb1
- 2.Qxb1#
- 1...Qc1
- 2.Qxc1#
- 1...Qd1
- 2.Qxd1#
- 1...Qe1
- 2.Qxe1#
- 1...b4+!
- 1...Kh1
- 1.Rg2+?
- 1...Kh1
- 2.Qxf1#
- 1...Kxg2!
- 1...Kh1
- 1.Raa2?
- 1...Kh1
- 2.Qxf1#
- 1...Qxa1
- 2.Rxa1#
- 1...Qb1
- 2.Qxb1#
- 1...Qc1
- 2.Qxc1#
- 1...Qd1
- 2.Qxd1#
- 1...Qe1
- 2.Rxe1#
- 2.Qxe1#
- 1...b4!
- 1...Kh1
- 1.Ra3?
- 1...Kh1
- 2.Qxf1#
- 1...Qxa1
- 2.Rxa1#
- 1...Qb1
- 2.Qxb1#
- 1...Qc1
- 2.Qxc1#
- 1...Qd1
- 2.Qxd1#
- 1...Qe1
- 2.Qxe1#
- 1...b4!
- 1...Kh1
- 1.Rxb5?
- 1...Kh1
- 2.Qxf1#
- 1...Qb1
- 2.Rxb1#
- 2.Qxb1#
- 1...Qc1
- 2.Qxc1#
- 1...Qd1
- 2.Qxd1#
- 1...Qe1
- 2.Qxe1#
- 1...Qxa1+!
- 1...Kh1
- 1.Qg7+?
- 1...Qg2
- 2.Qxg2#
- 1...Kh1!
- 1...Qg2
- 1.Kb6?
- Keys
- 1.Kxb5!
- 1...Qb1+
- 2.Qxb1#
- 1...Kh1
- 2.Qxf1#
- 1...Qxa1
- 2.Rxa1#
- 1...Qc1
- 2.Qxc1#
- 1...Qd1
- 2.Qxd1#
- 1...Qe1
- 2.Qxe1#
- 1...Qb1+
- 1.Kxb5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(b);N_GUARD,P-FLIGHT::QAR2(A),XQ(a)
- Q(a);N_SPINQ(a),OGATE,P_PINR(C),XQ(A)::R(C),XQ(a)
- Q(a);OGATEB::QAR(A),XQ(a)
- Q(a);OGATEB::QAR2(A),XQ(a)
- Tries
- Try
- K(D);P-FLIGHT
- Vars
- K(b);N_GUARD,P-FLIGHT::QAR2(A),XQ(a)
- Q(a);N_SPINQ(a),OGATE,XQ(A)::R(C),XQ(a)
- Q(a);OGATEB::QAR(A),XQ(a)
- Q(a);OGATEB::QAR2(A),XQ(a)
- Refutation
- P(c);
- Try
- K(D);P-FLIGHT
- Vars
- K(b);N_GUARD,P-FLIGHT::QAR2(A),XQ(a)
- Q(a);N_SPINQ(a),OGATE,P_PINR(C),XQ(A)::R(C),XQ(a)
- Q(a);OGATEB::QAR(A),XQ(a)
- Q(a);OGATEB::QAR2(A),XQ(a)
- Refutation
- P(c);
- Try
- K(D);S_FLIGHT
- Vars
- K(b);N_GUARD,P-FLIGHT::QAR2(A),XQ(a)
- Q(a);N_SPINQ(a),OGATE,XQ(A)::R(C),XQ(a)
- Q(a);OGATEB::QAR(A),XQ(a)
- Q(a);OGATEB::QAR2(A),XQ(a)
- Refutation
- P(c);
- Try
- R(B);
- Vars
- K(b);N_GUARD,P-FLIGHT::QAR2(A),XQ(a)
- Q(a);N_SPINQ(a),OGATE,P_PINR(C),XQ(A)::R(C),XQ(a)
- Q(a);OGATEB::QAR(A),XQ(a)
- Q(a);OGATEB::QAR2(A),XQ(a)
- Refutation
- P(c);CHECK
- Try
- R(B);
- Vars
- K(b);N_GUARD,P-FLIGHT::QAR2(A),XQ(a)
- Q(a);N_SPINQ(a),OGATE,P_PINR(C),XQ(A)::R(C),XQ(a)
- Q(a);OGATEB::QAR(A),XQ(a)
- Q(a);OGATEB::QAR2(A),XQ(a)
- Refutation
- P(c);CHECK
- Try
- R(B);
- Vars
- K(b);N_GUARD,P-FLIGHT::QAR2(A),XQ(a)
- Q(a);N_SPINQ(a),OGATE,P_PINR(C),XQ(A)::R(C),XQ(a)
- Q(a);OGATEB::QAR(A),XQ(a)
- Q(a);OGATEB::QAR2(A),XQ(a)
- Refutation
- P(c);CHECK
- Try
- R(B);CHECK
- Vars
- K(b);N_GUARD,P-FLIGHT::QAR2(A),XQ(a)
- Refutation
- K(b);N_SPINQ(a),P-FLIGHT,XR(B)
- Try
- R(C);
- Vars
- K(b);N_GUARD,P-FLIGHT::QAR2(A),XQ(a)
- Q(a);N_SPINQ(a),OGATE,P_PINR(C),XQ(A)::R(C),XQ(a)
- Q(a);OGATEB::QAR(A),XQ(a)
- Refutation
- P(c);P_PINR(B)
- Try
- R(C);
- Vars
- K(b);N_GUARD,P-FLIGHT::QAR2(A),XQ(a)
- Q(a);N_SPINQ(a),OGATE,P_PINR(C),XQ(A)::R(C),XQ(a)
- Q(a);OGATEB::QAR(A),XQ(a)
- Q(a);OGATEB::QAR2(A),XQ(a)
- Refutation
- P(c);P_PINR(B)
- Try
- R(C);XP(c)
- Vars
- K(b);N_GUARD,P-FLIGHT::QAR2(A),XQ(a)
- Q(a);OGATEB::QAR(A),XQ(a)
- Q(a);OGATEB::QAR2(A),XQ(a)
- Refutation
- Q(a);CHECK,N_SPINQ(a),XQ(A)
- Try
- Q(A);CHECK,N_PINQ(a)
- Vars
- Q(a);N_GUARD,P_SPINQ(a)::QAR1(A),XQ(a)
- Refutation
- K(b);P-FLIGHT
- Try
- Actual
- K(D);P_SPINR(B),S_FLIGHT,XP(c)
- Vars
- Q(a);CHECK,N_PINR(B),OGATEB::QAR(A),XQ(a)
- K(b);N_GUARD,P-FLIGHT::QAR2(A),XQ(a)
- Q(a);N_PINR(B),N_SPINQ(a),OGATE,XQ(A)::R(C),XQ(a)
- Q(a);N_PINR(B),OGATEB::QAR(A),XQ(a)
- Q(a);N_PINR(B),OGATEB::QAR2(A),XQ(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).