MESON Chess Problem Database
Problem Display
PID: 231400 (8/5p2/3p1K2/3P3p/4pk1P/4Nr2/2Q2P1p/2B4B w - - 0 1)
Dulcsan, Geza
Nepszava, 1927
#2
8 + 7
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rxf2
- 2.Qxf2#
- 1...Rxe3
- 2.Qxe4#
- 1...Rg3
- 2.Qxe4#
- 1...Rh3
- 2.Qxe4#
- 1...Rxf2
- Tries
- 1.Sd1+?
- 1...Re3
- 2.Qxe4#
- 1...e3
- 2.Qa4#
- 2.Qf5#
- 2.Qc4#
- 1...Kg4+!
- 1...Re3
- 1.Sf1+?
- 1...Re3
- 2.Qxe4#
- 1...e3
- 2.Qa4#
- 2.Qf5#
- 2.Qc4#
- 1...Kg4+!
- 1...Re3
- 1.Sc4+?
- 1...Re3
- 2.Qxe4#
- 1...e3
- 2.Qf5#
- 1...Kg4+!
- 1...Re3
- 1.Sg4+?
- 1...Re3
- 2.Qxe4#
- 1...e3
- 2.Qa4#
- 2.Qf5#
- 2.Qc4#
- 1...Kxg4+!
- 1...Re3
- 1.Sf5+?
- 1...Re3
- 2.Qxe4#
- 1...e3
- 2.Qa4#
- 2.Qc4#
- 1...Kg4!
- 1...Re3
- 1.Bb2?
- 1...Rxf2
- 2.Qxf2#
- 1...Rg3
- 2.Qxe4#
- 1...Rh3
- 2.Qxe4#
- 1...Rxe3!
- 1...Rxf2
- 1.Bd2?
- 1...Rxe3
- 2.Qxe4#
- 1...Rg3
- 2.Qxe4#
- 1...Rh3
- 2.Qxe4#
- 1...Rxf2!
- 1...Rxe3
- 1.Ba3?
- threat
- 2.Bxd6#
- 1...Rxf2
- 2.Qxf2#
- 1...Rxe3!
- threat
- 1.Bxf3?
- threat
- 2.Qxe4#
- 1...exf3
- 2.Qa4#
- 2.Qf5#
- 2.Qc4#
- 1...Kxf3!
- threat
- 1.Qb1?
- 1...Rxe3
- 2.Qxe4#
- 1...Rg3
- 2.Qxe4#
- 1...Rh3
- 2.Qxe4#
- 1...Rxf2!
- 1...Rxe3
- 1.Qd1?
- 1...Rxe3
- 2.Bxe3#
- 1...Rg3
- 2.Sg2#
- 1...Rh3
- 2.Sg2#
- 1...Rxf2!
- 1...Rxe3
- 1.Qa4?
- 1...Rxe3
- 2.Qxe4#
- 1...Rg3
- 2.Qxe4#
- 1...Rh3
- 2.Qxe4#
- 1...Rxf2!
- 1...Rxe3
- 1.Qc4?
- 1...Rxe3
- 2.Qxe4#
- 1...Rg3
- 2.Qxe4#
- 1...Rh3
- 2.Qxe4#
- 1...Rxf2!
- 1...Rxe3
- 1.Qc8?
- threat
- 2.Sg2#
- 2.Qf5#
- 1...Rxe3
- 2.Bxe3#
- 2.Qf5#
- 1...Rg3
- 2.Qf5#
- 1...Rh3
- 2.Qf5#
- 1...Rxf2!
- threat
- 1.Sd1+?
- Keys
- 1.Qe2!
- 1...Rxf2
- 2.Qxf2#
- 1...Rxe3
- 2.Bxe3#
- 1...Rg3
- 2.Sg2#
- 1...Rh3
- 2.Sg2#
- 1...Rxf2
- 1.Qe2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(b);OGATE,XP(D)::QAR2(C),XR(b)
- R(b);P_SPINR(b),XS(E)::QAR1(C),XP(c)
- R(b);::QAR1(C),XP(c)
- Tries
- Try
- S(E);CHECK
- Vars
- R(b);P_SPINR(b)::QAR1(C),XP(c)
- Refutation
- K(d);CHECK,P-FLIGHT
- Try
- S(E);CHECK
- Vars
- R(b);P_SPINR(b)::QAR1(C),XP(c)
- Refutation
- K(d);CHECK,P-FLIGHT
- Try
- S(E);CHECK
- Vars
- R(b);P_SPINR(b)::QAR1(C),XP(c)
- P(c);OGATE,P_SPINP(c)::QAR1(C)
- Refutation
- K(d);CHECK,P-FLIGHT
- Try
- S(E);CHECK
- Vars
- R(b);P_SPINR(b)::QAR1(C),XP(c)
- Refutation
- K(d);CHECK,P-FLIGHT,XS(E)
- Try
- S(E);CHECK
- Vars
- R(b);P_SPINR(b)::QAR1(C),XP(c)
- Refutation
- K(d);P-FLIGHT,P_PINS(E)
- Try
- B(A);
- Vars
- R(b);OGATE,XP(D)::QAR2(C),XR(b)
- R(b);::QAR1(C),XP(c)
- Refutation
- R(b);XS(E)
- Try
- B(A);
- Vars
- R(b);P_SPINR(b),XS(E)::QAR1(C),XP(c)
- R(b);::QAR1(C),XP(c)
- Refutation
- R(b);XP(D)
- Try
- B(A);
- Threat
- B(A),XP(f)
- Vars
- R(b);OGATE,XP(D)::QAR2(C),XR(b)
- Refutation
- R(b);XS(E)
- Try
- B(B);XR(b)
- Threat
- QAR1(C),XP(c)
- Refutation
- K(d);P-FLIGHT,XB(B)
- Try
- Q(C);
- Vars
- R(b);P_SPINR(b),XS(E)::QAR1(C),XP(c)
- R(b);::QAR1(C),XP(c)
- Refutation
- R(b);XP(D)
- Try
- Q(C);
- Vars
- R(b);OGATE,P_SPINR(b),XS(E)::B(A),XR(b)
- R(b);::B(A)+S(E),DCHECK
- Refutation
- R(b);XP(D)
- Try
- Q(C);P_PINP(c)
- Vars
- R(b);P_SPINR(b),XS(E)::QAR1(C),XP(c)
- R(b);::QAR1(C),XP(c)
- Refutation
- R(b);XP(D)
- Try
- Q(C);P_PINP(c)
- Vars
- R(b);P_SPINR(b),XS(E)::QAR1(C),XP(c)
- R(b);::QAR1(C),XP(c)
- Refutation
- R(b);XP(D)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- R(b);::QAR1(C)
- Refutation
- R(b);XP(D)
- Try
- Actual
- Q(C);
- Vars
- R(b);OGATE,XP(D)::QAR2(C),XR(b)
- R(b);OGATE,P_SPINR(b),XS(E)::B(A),XR(b)
- R(b);::B(A)+S(E),DCHECK
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).