MESON Chess Problem Database
Problem Display
PID: 93307 (8/3p4/3p4/3Q4/1PKN1rp1/rp2kpN1/1R2p1pn/4Bbb1 w - - 0 1)
Wolanski, Eustachy
Skakbladet, 1933
#2
7 + 13
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Rxb3#
- 1...Ra2
- 2.Rxb3#
- 1...Ra4
- 2.Rxb3#
- 1...Ra5
- 2.Rxb3#
- 1...Ra6
- 2.Rxb3#
- 1...Ra7
- 2.Rxb3#
- 1...Ra8
- 2.Rxb3#
- 1...Rxd4+
- 2.Qxd4#
- 1...Re4
- 2.Qxe4#
- 1...Rf5
- 2.Qe4#
- 1...Rf6
- 2.Qe4#
- 1...Rf7
- 2.Qe4#
- 1...Rf8
- 2.Qe4#
- 1...Bf2
- 2.Bd2#
- 1...f2
- 2.Bd2#
- 1...Ra1
- Tries
- 1.Rd2?
- threat
- 2.Rd3#
- 1...Rxd4+
- 2.Qxd4#
- 1...Re4
- 2.Qxe4#
- 1...Rf5
- 2.Qe4#
- 1...Rf6
- 2.Qe4#
- 1...Rf7
- 2.Qe4#
- 1...Rf8
- 2.Qe4#
- 1...b2!
- threat
- 1.Qe6+?
- 1...Re4
- 2.Qxe4#
- 1...dxe6!
- 1...Re4
- 1.Qe5+?
- 1...Re4
- 2.Sf5#
- 2.Qxe4#
- 1...dxe5!
- 1...Re4
- 1.Qg5?
- 1...Ra1
- 2.Rxb3#
- 1...Ra2
- 2.Rxb3#
- 1...Ra4
- 2.Rxb3#
- 1...Ra5
- 2.Rxb3#
- 1...Ra6
- 2.Rxb3#
- 1...Ra7
- 2.Rxb3#
- 1...Ra8
- 2.Rxb3#
- 1...Bf2
- 2.Bd2#
- 1...f2
- 2.Bd2#
- 1...d5+!
- 1...Ra1
- 1.b5?
- 1...Rxd4+
- 2.Qxd4#
- 1...Re4
- 2.Qxe4#
- 1...Rf5
- 2.Qe4#
- 1...Rf6
- 2.Qe4#
- 1...Rf7
- 2.Qe4#
- 1...Rf8
- 2.Qe4#
- 1...Ra1
- 2.Rxb3#
- 1...Ra2
- 2.Rxb3#
- 1...Ra5
- 2.Rxb3#
- 1...Ra6
- 2.Rxb3#
- 1...Ra7
- 2.Rxb3#
- 1...Ra8
- 2.Rxb3#
- 1...Bf2
- 2.Bd2#
- 1...f2
- 2.Bd2#
- 1...Ra4+!
- 1...Rxd4+
- 1.Rd2?
- Keys
- 1.Qxd6!
- 1...Rxd4+
- 2.Qxd4#
- 1...Ra1
- 2.Rxb3#
- 1...Ra2
- 2.Rxb3#
- 1...Ra4
- 2.Rxb3#
- 1...Ra5
- 2.Rxb3#
- 1...Ra6
- 2.Rxb3#
- 1...Ra7
- 2.Rxb3#
- 1...Ra8
- 2.Rxb3#
- 1...Re4
- 2.Sf5#
- 1...Rf5
- 2.Sdxf5#
- 1...Rf6
- 2.Qe5#
- 1...Rf7
- 2.Qe5#
- 1...Rf8
- 2.Qe5#
- 1...Bf2
- 2.Bd2#
- 1...f2
- 2.Bd2#
- 1...Rxd4+
- 1.Qxd6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 5
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(f);N_GUARD::R(B),XP(g)
- R(f);N_GUARD,P_PINP(D)::R(B),XP(g)
- R(j);CHECK,OGATE,XS(F)::QAB1(G),XR(j)
- R(j);N_GUARD::QAR1(G),XR(j)
- R(j);N_GUARD,N_PINS(F)::QAR1(G)
- B(b);SBLOCK::B(A)
- P(i);SBLOCK::B(A)
- Tries
- Try
- R(B);
- Threat
- R1(B)
- Vars
- R(j);CHECK,OGATE,XS(F)::QAB1(G),XR(j)
- R(j);N_GUARD::QAR1(G),XR(j)
- R(j);N_GUARD,N_PINS(F)::QAR1(G)
- Refutation
- P(g);
- Try
- Q(G);CHECK
- Vars
- R(j);N_GUARD,P_SPINR(j)::QAR1(G),XR(j)
- Refutation
- P(m);XQ(G)
- Try
- Q(G);CHECK
- Refutation
- P(l);XQ(G)
- Try
- Q(G);P_PINR(j)
- Vars
- R(f);N_GUARD::R(B),XP(g)
- R(f);N_GUARD,P_PINP(D)::R(B),XP(g)
- B(b);SBLOCK::B(A)
- P(i);SBLOCK::B(A)
- Refutation
- P(l);CHECK
- Try
- P(D);
- Vars
- R(j);CHECK,OGATE,XS(F)::QAB1(G),XR(j)
- R(j);N_GUARD::QAR1(G),XR(j)
- R(j);N_GUARD,N_PINS(F)::QAR1(G)
- R(f);N_GUARD::R(B),XP(g)
- B(b);SBLOCK::B(A)
- P(i);SBLOCK::B(A)
- Refutation
- R(f);CHECK
- Try
- Actual
- Q(G);XP(l)
- Vars
- R(j);CHECK,OGATE,XS(F)::QAB1(G),XR(j)
- R(f);N_GUARD::R(B),XP(g)
- R(f);N_GUARD,P_PINP(D)::R(B),XP(g)
- R(j);N_GUARD,SBLOCK::S(C)
- R(j);N_PINS(F)::S(F),XR(j)
- R(j);N_GUARD,N_PINS(F)::QAR2(G)
- B(b);SBLOCK::B(A)
- P(i);SBLOCK::B(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).