MESON Chess Problem Database
Problem Display
PID: 202526 (8/2p5/1pP5/1K6/1Rp5/2NbQ3/pNpPp3/r1k5 w - - 0 1)
Papp, Istvan
Uj Nemezdek, 1923
#2
7 + 9
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Sxa2#
- 1...Be4
- 2.d3#
- 2.d4#
- 1...Bf5
- 2.d3#
- 2.d4#
- 1...Bg6
- 2.d3#
- 2.d4#
- 1...Bh7
- 2.d3#
- 2.d4#
- 1...e1Q
- 2.Qxe1#
- 1...e1S
- 2.Qxe1#
- 1...e1B
- 2.Qxe1#
- 1...e1R
- 2.Qxe1#
- 1...Rb1
- Tries
- 1.Ka4?
- 1...e1Q
- 2.Qxe1#
- 1...e1S
- 2.Qxe1#
- 1...e1B
- 2.Qxe1#
- 1...e1R
- 2.Qxe1#
- 1...Rb1
- 2.Sxa2#
- 1...Be4
- 2.d3#
- 2.d4#
- 1...Bf5
- 2.d3#
- 2.d4#
- 1...Bg6
- 2.d3#
- 2.d4#
- 1...Bh7
- 2.d3#
- 2.d4#
- 1...b5+!
- 1...e1Q
- 1.Ka6?
- 1...e1Q
- 2.Qxe1#
- 1...e1S
- 2.Qxe1#
- 1...e1B
- 2.Qxe1#
- 1...e1R
- 2.Qxe1#
- 1...Rb1
- 2.Sxa2#
- 1...Be4
- 2.d3#
- 2.d4#
- 1...Bf5
- 2.d3#
- 2.d4#
- 1...Bg6
- 2.d3#
- 2.d4#
- 1...Bh7
- 2.d3#
- 2.d4#
- 1...b5!
- 1...e1Q
- 1.Sba4?
- 1...e1Q
- 2.Qxe1#
- 1...e1S
- 2.Qxe1#
- 1...e1B
- 2.Qxe1#
- 1...e1R
- 2.Qxe1#
- 1...Be4
- 2.d3#
- 2.d4#
- 1...Bf5
- 2.d3#
- 2.d4#
- 1...Bg6
- 2.d3#
- 2.d4#
- 1...Bh7
- 2.d3#
- 2.d4#
- 1...Rb1!
- 1...e1Q
- 1.Sxe2+?
- 1...Kb1
- 2.Sd1#
- 2.Sxd3#
- 2.Sa4#
- 2.Sxc4#
- 1...Bxe2!
- 1...Kb1
- 1.Qg1+?
- 1...e1Q
- 2.Qxe1#
- 1...e1S
- 2.Qxe1#
- 1...e1B
- 2.Qxe1#
- 1...e1R
- 2.Qxe1#
- 1...Kxd2!
- 1...e1Q
- 1.Qf2?
- threat
- 2.Qe1#
- 1...e1Q
- 2.Qxe1#
- 1...e1S
- 2.Qxe1#
- 1...e1B
- 2.Qxe1#
- 1...e1R
- 2.Qxe1#
- 1...Kxd2!
- threat
- 1.Qg3?
- threat
- 2.Qe1#
- 1...e1Q
- 2.Qxe1#
- 1...e1S
- 2.Qxe1#
- 1...e1B
- 2.Qxe1#
- 1...e1R
- 2.Qxe1#
- 1...Kxd2!
- threat
- 1.Ka4?
- Keys
- 1.Rb3!
- 1...cxb3+
- 2.Sxd3#
- 1...e1Q
- 2.Qxe1#
- 1...e1S
- 2.Qxe1#
- 1...e1B
- 2.Qxe1#
- 1...e1R
- 2.Qxe1#
- 1...Rb1
- 2.Sxa2#
- 1...Be4
- 2.d3#
- 2.d4#
- 1...Bf5
- 2.d3#
- 2.d4#
- 1...Bg6
- 2.d3#
- 2.d4#
- 1...Bh7
- 2.d3#
- 2.d4#
- 1...cxb3+
- 1.Rb3!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(a);N_GUARD,SBLOCK::S(C),XP(c)
- P(e);OGATE::QAR2(D),XQ(e)
- P(e);OGATE::QAR2(D),XS(e)
- P(e);OGATE::QAR2(D),XB(e)
- P(e);OGATE::QAR2(D),XR(e)
- Tries
- Try
- K(F);S_FLIGHT
- Vars
- P(e);OGATE::QAR2(D),XQ(e)
- P(e);OGATE::QAR2(D),XS(e)
- P(e);OGATE::QAR2(D),XB(e)
- P(e);OGATE::QAR2(D),XR(e)
- R(a);N_GUARD,SBLOCK::S(C),XP(c)
- Refutation
- P(h);CHECK
- Try
- K(F);S_FLIGHT
- Vars
- P(e);OGATE::QAR2(D),XQ(e)
- P(e);OGATE::QAR2(D),XS(e)
- P(e);OGATE::QAR2(D),XB(e)
- P(e);OGATE::QAR2(D),XR(e)
- R(a);N_GUARD,SBLOCK::S(C),XP(c)
- Refutation
- P(h);
- Try
- S(A);
- Vars
- P(e);OGATE::QAR2(D),XQ(e)
- P(e);OGATE::QAR2(D),XS(e)
- P(e);OGATE::QAR2(D),XB(e)
- P(e);OGATE::QAR2(D),XR(e)
- Refutation
- R(a);P_PINR(E)
- Try
- S(C);CHECK,XP(e)
- Refutation
- B(f);XS(C)
- Try
- Q(D);CHECK
- Vars
- P(e);P_SPINQ(e)::QAR2(D),XQ(e)
- P(e);P_SPINS(e)::QAR2(D),XS(e)
- P(e);P_SPINB(e)::QAR2(D),XB(e)
- P(e);P_SPINR(e)::QAR2(D),XR(e)
- Refutation
- K(b);S_FLIGHT,XP(B)
- Try
- Q(D);
- Threat
- QAR2(D)
- Vars
- P(e);::QAR2(D),XQ(e)
- P(e);::QAR2(D),XS(e)
- P(e);::QAR2(D),XB(e)
- P(e);::QAR2(D),XR(e)
- Refutation
- K(b);P_SPINP(e),S_FLIGHT,XP(B)
- Try
- Q(D);
- Threat
- QAR2(D)
- Vars
- P(e);::QAR2(D),XQ(e)
- P(e);::QAR2(D),XS(e)
- P(e);::QAR2(D),XB(e)
- P(e);::QAR2(D),XR(e)
- Refutation
- K(b);S_FLIGHT,XP(B)
- Try
- Actual
- R(E);
- Vars
- P(g);CHECK,N_GUARD,XR(E)::S(A),XB(f)
- P(e);OGATE::QAR2(D),XQ(e)
- P(e);OGATE::QAR2(D),XS(e)
- P(e);OGATE::QAR2(D),XB(e)
- P(e);OGATE::QAR2(D),XR(e)
- R(a);N_GUARD,SBLOCK::S(C),XP(c)
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).