MESON Chess Problem Database
Problem Display
PID: 49459 (8/3NQ3/8/Kp3PR1/5k2/5pb1/3R1pp1/2BNqrrn w - - 0 1)
Vetter, Hans
2nd Prize, Leipziger Tageblatt, 1924
#2
8 + 10
| 461 | Schach-Express | 1949 |
SOLUTION
- SOUND
- Sets
- 1...Qxd2+
- 2.Bxd2#
- 1...Qxd1
- 2.Rxd1#
- 2.Rd4#
- 1...Qe2
- 2.Rxe2#
- 2.Rd4#
- 1...Qe3
- 2.Rd4#
- 2.Qxe3#
- 1...Qe4
- 2.Rd4#
- 1...Qe5
- 2.Rd4#
- 1...Qe6
- 2.Rd4#
- 1...Qxe7
- 2.Rd4#
- 1...b4
- 2.Rd4#
- 1...Qxd2+
- Tries
- 1.Kxb5?
- threat
- 2.Rd4#
- 1...Qe2+
- 2.Rxe2#
- 1...Qxd2
- 2.Bxd2#
- 1...Qe5+!
- threat
- 1.Ka6?
- threat
- 2.Rd4#
- 1...Qxd2
- 2.Bxd2#
- 1...Qe6+!
- threat
- 1.Kb6?
- threat
- 2.Rd4#
- 1...Qxd2
- 2.Bxd2#
- 1...Qe6+!
- threat
- 1.Sb2?
- threat
- 2.Sd3#
- 1...Qxd2+
- 2.Bxd2#
- 1...Qxe7
- 2.Rd4#
- 1...Qe5
- 2.Rd4#
- 1...Qe6
- 2.Rd4#
- 1...Qe2
- 2.Rd4#
- 1...Qe3
- 2.Rd4#
- 1...Qe4!
- threat
- 1.Sc3?
- threat
- 2.Sd5#
- 2.Rd4#
- 1...Qxd2
- 2.Bxd2#
- 1...Qxe7
- 2.Rd4#
- 1...Qe5
- 2.Rd4#
- 1...Qe6
- 2.Rd4#
- 1...Qe4!
- threat
- 1.Se3?
- threat
- 2.Sd5#
- 2.Rg4#
- 1...Qxe3
- 2.Rd4#
- 1...Qxd2+!
- threat
- 1.Qb4+?
- 1...Qe4
- 2.Ra2#
- 2.Rb2#
- 2.Rc2#
- 2.Re2#
- 2.Rxf2#
- 2.Rd3#
- 2.Rd4#
- 2.Rd5#
- 2.Rd6#
- 1...Kxg5!
- 1...Qe4
- 1.Qd6+?
- 1...Ke4
- 2.Sc5#
- 2.Sf6#
- 2.Qb4#
- 2.Qd4#
- 1...Qe5
- 2.Re2#
- 2.Rd4#
- 1...Kxg5!
- 1...Ke4
- 1.Qe5+?
- 1...Qxe5
- 2.Rd4#
- 1...Kxg5!
- 1...Qxe5
- 1.Kxb5?
- Keys
- 1.Rh5!
- 1...Qxd2+
- 2.Qb4#
- 1...Kg4
- 2.Qg5#
- 1...Qxd1
- 2.Rd4#
- 1...Qxe7
- 2.Rd4#
- 1...Qe5
- 2.Rd4#
- 1...Qe6
- 2.Rd4#
- 1...Bh2
- 2.Qh4#
- 1...Bh4
- 2.Qxh4#
- 1...Qe2
- 2.Rd4#
- 1...Qe3
- 2.Rd4#
- 1...Qe4
- 2.Qg5#
- 1...b4
- 2.Rd4#
- 1...Qxd2+
- 1.Rh5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- Q(a);CHECK,OGATE,P_SPINQ(a),XR(C)::B(A),XQ(a)
- Q(a);N_PINR(C)::B(A)+R(C)
- Q(a);N_PINR(C)::B(A)+R(C),DCHECK
- Q(a);N_PINR(C),XQ(H)::B(A)+R(C),DCHECK
- P(j);N_PINR(C)::B(A)+R(C),DCHECK
- Tries
- Try
- K(D);N_SPINR(C),P-FLIGHT,XP(j)
- Threat
- B(A)+R(C),DCHECK
- Vars
- Q(a);CHECK,N_GUARD::B(A)+R(C),XQ(a)
- Q(a);OGATE,P_SPINQ(a),XR(C)::B(A),XQ(a)
- Refutation
- Q(a);CHECK
- Try
- K(D);N_SPINR(C),P-FLIGHT
- Threat
- B(A)+R(C),DCHECK
- Vars
- Q(a);OGATE,P_SPINQ(a),XR(C)::B(A),XQ(a)
- Refutation
- Q(a);CHECK
- Try
- K(D);N_SPINR(C),S_FLIGHT
- Threat
- B(A)+R(C),DCHECK
- Vars
- Q(a);OGATE,P_SPINQ(a),XR(C)::B(A),XQ(a)
- Refutation
- Q(a);CHECK
- Try
- S(B);
- Threat
- S(B)
- Vars
- Q(a);CHECK,OGATE,P_SPINQ(a),XR(C)::B(A),XQ(a)
- Q(a);N_PINR(C),XQ(H)::B(A)+R(C),DCHECK
- Q(a);N_PINR(C)::B(A)+R(C),DCHECK
- Q(a);N_PINR(C)::R(C)
- Refutation
- Q(a);N_PINR(C)
- Try
- S(B);N_SPINR(C)
- Threat
- DUALS(2)
- Vars
- Q(a);OGATE,P_PINS(B),P_SPINQ(a),XR(C)::B(A),XQ(a)
- Q(a);XQ(H)::B(A)+R(C),DCHECK
- Q(a);::B(A)+R(C),DCHECK
- Refutation
- Q(a);
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- Q(a);N_PINR(C),XS(B)::R(C)
- Refutation
- Q(a);CHECK,XR(C)
- Try
- Q(H);CHECK,N_SPINR(C)
- Refutation
- K(i);S_FLIGHT,XR(F)
- Try
- Q(H);CHECK
- Refutation
- K(i);S_FLIGHT,XR(F)
- Try
- Q(H);CHECK
- Vars
- Q(a);N_PINR(C),XQ(H)::B(A)+R(C),DCHECK
- Refutation
- K(i);S_FLIGHT,XR(F)
- Try
- Actual
- R(F);
- Vars
- Q(a);CHECK,N_GUARD,P_SPINQ(a),XR(C)::QAR(H)
- K(i);P-FLIGHT::QAR1(H)
- Q(a);N_PINR(C),XS(B)::B(A)+R(C),DCHECK
- Q(a);N_PINR(C),XQ(H)::B(A)+R(C),DCHECK
- Q(a);N_PINR(C)::B(A)+R(C),DCHECK
- B(h);N_GUARD::QAR2(H)
- B(h);N_GUARD::QAR2(H),XB(h)
- Q(a);N_PINR(C)::R(C)
- Q(a);N_PINR(C),SBLOCK::QAB1(H)
- P(j);N_PINR(C)::B(A)+R(C),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).