MESON Chess Problem Database
Problem Display
PID: 273569 (k1B4R/B4n1R/3q4/1N1N4/4Q3/8/8/3K4 w - - 0 1)
Trumpy, Eugen
Die Tat, 1945
#2
8 + 3
| 15601 | Albrecht-Leiss-Degener Collection | 2023 |
SOLUTION
- SOUND
- Sets
- 1...Qh2
- 2.Sdc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sb6#
- 2.Sf6#
- 2.Sdc7#
- 2.Se7#
- 1...Qa3
- 2.Sdc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sb6#
- 2.Sf6#
- 2.Sdc7#
- 2.Se7#
- 1...Qg3
- 2.Sdc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sb6#
- 2.Sf6#
- 2.Sdc7#
- 2.Se7#
- 1...Qb4
- 2.Sxb4#
- 2.Sb6#
- 2.Sdc7#
- 1...Qf4
- 2.Sxf4#
- 2.Sb6#
- 2.Sdc7#
- 1...Qc5
- 2.Sb6#
- 2.Sdc7#
- 1...Qe5
- 2.Sb6#
- 2.Sdc7#
- 1...Qc7
- 2.Sb6#
- 2.Sdxc7#
- 1...Qe7
- 2.Sb6#
- 2.Sdc7#
- 2.Sxe7#
- 1...Qb8
- 2.Sb6#
- 2.Sdc7#
- 1...Qf8
- 2.Sdc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sb6#
- 2.Sf6#
- 2.Sdc7#
- 2.Se7#
- 1...Qxd5+
- 2.Qxd5#
- 1...Qa6
- 2.Sb6#
- 2.Sdc7#
- 1...Qb6
- 2.Sxb6#
- 2.Sdc7#
- 1...Qc6
- 2.Sb6#
- 2.Sdc7#
- 1...Qe6
- 2.Sb6#
- 2.Sdc7#
- 1...Qf6
- 2.Sb6#
- 2.Sxf6#
- 2.Sdc7#
- 1...Qg6
- 2.Sb6#
- 2.Sdc7#
- 1...Qh6
- 2.Sb6#
- 2.Sf6#
- 2.Sdc7#
- 1...Se5
- 2.Bb7#
- 1...Sg5
- 2.Bb7#
- 1...Sh6
- 2.Bb7#
- 1...Sd8
- 2.Bb7#
- 1...Sxh8
- 2.Bb7#
- 1...Qh2
- Tries
- 1.Ke1?
- threat
- 2.Sb6#
- 2.Sdc7#
- 1...Qb4+
- 2.Sxb4#
- 1...Qxd5
- 2.Qxd5#
- 1...Qc7
- 2.Sb6#
- 2.Sdxc7#
- 1...Qb6
- 2.Sxb6#
- 2.Sdc7#
- 1...Qg3+!
- threat
- 1.Ke2?
- threat
- 2.Sb6#
- 2.Sdc7#
- 1...Qxd5
- 2.Qxd5#
- 1...Qc7
- 2.Sb6#
- 2.Sdxc7#
- 1...Qb6
- 2.Sxb6#
- 2.Sdc7#
- 1...Qh2+!
- threat
- 1.Sxd6?
- 1...Sxd6
- 2.Sb6#
- 1...Sxh8
- 2.Sc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sb6#
- 2.Sf6#
- 1...Se5
- 2.Sb6#
- 2.Bh3#
- 2.Bg4#
- 2.Bf5#
- 2.Ba6#
- 2.Be6#
- 1...Sg5
- 2.Sb6#
- 2.Bh3#
- 2.Bg4#
- 2.Bf5#
- 2.Ba6#
- 2.Be6#
- 1...Sh6
- 2.Sc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sb6#
- 2.Sf6#
- 1...Sd8
- 2.Sb6#
- 1...Kxa7!
- 1...Sxd6
- 1.Ba6+?
- 1...Qb8
- 2.Sdc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sb6#
- 2.Sf6#
- 2.Sdc7#
- 2.Se7#
- 2.Rxb8#
- 1...Qf8
- 2.Sdc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sb6#
- 2.Sf6#
- 2.Sdc7#
- 2.Se7#
- 1...Sd8
- 2.Bb7#
- 1...Sxh8
- 2.Bb7#
- 1...Qd8!
- 1...Qb8
- 1.Rxf7?
- threat
- 2.Bb7#
- 1...Qxd5+
- 2.Qxd5#
- 1...Qc7
- 2.Sb6#
- 2.Sdxc7#
- 1...Qe7
- 2.Sb6#
- 2.Sdc7#
- 2.Sxe7#
- 1...Qd7!
- threat
- 1.Qf4?
- 1...Qxf4
- 2.Sb6#
- 1...Sxh8
- 2.Bb7#
- 1...Qd8
- 2.Qb8#
- 1...Qa3
- 2.Sb6#
- 2.Sdc7#
- 2.Qb8#
- 1...Qb4
- 2.Sb6#
- 2.Sdc7#
- 2.Qb8#
- 1...Qc5
- 2.Qb8#
- 1...Qe5
- 2.Sb6#
- 1...Qc7
- 2.Sdxc7#
- 1...Qe7
- 2.Sb6#
- 2.Qb8#
- 1...Qb8
- 2.Qxb8#
- 1...Qf8
- 2.Sb6#
- 2.Sdc7#
- 2.Qb8#
- 1...Qa6
- 2.Sdc7#
- 2.Qb8#
- 1...Qb6
- 2.Sxb6#
- 1...Qc6
- 2.Qb8#
- 1...Qe6
- 2.Sdc7#
- 2.Qb8#
- 1...Qf6
- 2.Sdc7#
- 2.Qb8#
- 1...Qg6
- 2.Sdc7#
- 2.Qb8#
- 1...Qh6
- 2.Sdc7#
- 2.Qb8#
- 1...Qd7
- 2.Qb8#
- 1...Se5
- 2.Bb7#
- 1...Sg5
- 2.Bb7#
- 1...Sh6
- 2.Bb7#
- 1...Sd8
- 2.Bb7#
- 1...Qxd5+!
- 1...Qxf4
- 1.Ke1?
- Keys
- 1.Qe5!
- 1...Qxd5+
- 2.Qxd5#
- 1...Qxe5
- 2.Sb6#
- 1...Sxe5
- 2.Bb7#
- 1...Sxh8
- 2.Bb7#
- 1...Qd8
- 2.Qb8#
- 1...Qa3
- 2.Sb6#
- 2.Sdc7#
- 2.Qb8#
- 1...Qb4
- 2.Sb6#
- 2.Sdc7#
- 2.Qb8#
- 1...Qc5
- 2.Qb8#
- 1...Qc7
- 2.Sdxc7#
- 1...Qe7
- 2.Sb6#
- 2.Qb8#
- 1...Qb8
- 2.Qxb8#
- 1...Qf8
- 2.Sb6#
- 2.Sdc7#
- 2.Qb8#
- 1...Qa6
- 2.Sdc7#
- 2.Qb8#
- 1...Qb6
- 2.Sxb6#
- 1...Qc6
- 2.Qb8#
- 1...Qe6
- 2.Sdc7#
- 2.Qb8#
- 1...Qf6
- 2.Sdc7#
- 2.Qb8#
- 1...Qg6
- 2.Sdc7#
- 2.Qb8#
- 1...Qh6
- 2.Sdc7#
- 2.Qb8#
- 1...Qd7
- 2.Qb8#
- 1...Sg5
- 2.Bb7#
- 1...Sh6
- 2.Bb7#
- 1...Sd8
- 2.Bb7#
- 1...Qxd5+
- 1.Qe5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- Q(a);CHECK,OGATE,P_SPINQ(a),XS(D)::QAB(B),XQ(a)
- S(b);::R(H)+B(G),DCHECK
- S(b);::B(G)
- S(b);XR(H)::B(G)
- Tries
- Try
- K(A);N_SPINS(D),P-FLIGHT
- Threat
- DUALS(2)
- Vars
- Q(a);CHECK,N_GUARD::QAB(B)+S(D),XQ(a)
- Q(a);OGATE,P_SPINQ(a),XS(D)::QAB(B),XQ(a)
- Refutation
- Q(a);CHECK
- Try
- K(A);N_SPINS(D),S_FLIGHT
- Threat
- DUALS(2)
- Vars
- Q(a);OGATE,P_SPINQ(a),XS(D)::QAB(B),XQ(a)
- Refutation
- Q(a);CHECK
- Try
- S(C);N_SPINS(D),XQ(a)
- Vars
- S(b);XS(C)::QAB(B)+S(D),DCHECK
- S(b);::QAB(B)+S(D),DCHECK
- Refutation
- K(c);P-FLIGHT,P_SPINS(b),XB(E)
- Try
- B(G);CHECK
- Vars
- S(b);P_SPINS(b)::B(G)
- S(b);XR(H)::B(G)
- Refutation
- Q(a);P_SPINQ(a)
- Try
- R(F);XS(b)
- Threat
- R(H)+B(G),DCHECK
- Vars
- Q(a);CHECK,OGATE,P_SPINQ(a),XS(D)::QAB(B),XQ(a)
- Refutation
- Q(a);
- Try
- Q(B);
- Vars
- Q(a);N_PINS(D),XQ(B)::S(D)
- S(b);XR(H)::B(G)
- Q(a);OGATE::QAR1(B)
- Q(a);N_PINS(D),OGATE::QAR1(B)
- Q(a);N_PINS(D)::S(D)
- Q(a);N_PINS(D)::S(D),XQ(a)
- Q(a);N_PINS(D),OGATE::QAR1(B),XQ(a)
- S(b);::R(H)+B(G),DCHECK
- S(b);::B(G)
- Refutation
- Q(a);CHECK,XS(D)
- Try
- Actual
- Q(B);
- Vars
- Q(a);CHECK,OGATE,XS(D)::QAB(B),XQ(a)
- Q(a);N_PINS(D),XQ(B)::S(D)
- S(b);XQ(B)::R(H)+B(G),DCHECK
- S(b);XR(H)::B(G)
- Q(a);OGATE::QAR1(B)
- Q(a);N_PINS(D),OGATE::QAR1(B)
- Q(a);N_PINS(D)::S(D),XQ(a)
- Q(a);N_PINS(D),OGATE::QAR1(B),XQ(a)
- S(b);::R(H)+B(G),DCHECK
- S(b);::B(G)
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).