MESON Chess Problem Database
Problem Display
PID: 249435 (8/5p2/5B2/6K1/1p1R2P1/1Q1P4/1b1R4/kr6 w - - 0 1)
Henning, Hans
Die Schwalbe, 1929
#2
7 + 5
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Qxb2#
- 1...Rd1
- 2.Qxb2#
- 1...Re1
- 2.Qxb2#
- 1...Rf1
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Rh1
- 2.Qxb2#
- 1...Bc1
- 2.Qa2#
- 1...Ba3
- 2.Ra2#
- 2.Qa2#
- 1...Bc3
- 2.Ra2#
- 2.Qa2#
- 2.Qa4#
- 1...Bxd4
- 2.Ra2#
- 2.Qa2#
- 2.Qa4#
- 1...Rc1
- Tries
- 1.Kf4?
- 1...Bxd4
- 2.Ra2#
- 2.Qa2#
- 2.Qa4#
- 1...Rc1
- 2.Qxb2#
- 1...Rd1
- 2.Qxb2#
- 1...Re1
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Rh1
- 2.Qxb2#
- 1...Bc1
- 2.Qa2#
- 1...Ba3
- 2.Ra2#
- 2.Qa2#
- 1...Bc3
- 2.Ra2#
- 2.Qa2#
- 2.Qa4#
- 1...Rf1+!
- 1...Bxd4
- 1.Kh4?
- 1...Bxd4
- 2.Ra2#
- 2.Qa2#
- 2.Qa4#
- 1...Rc1
- 2.Qxb2#
- 1...Rd1
- 2.Qxb2#
- 1...Re1
- 2.Qxb2#
- 1...Rf1
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Bc1
- 2.Ra2#
- 2.Qa2#
- 1...Ba3
- 2.Ra2#
- 2.Qa2#
- 1...Bc3
- 2.Ra2#
- 2.Qa2#
- 2.Qa4#
- 1...Rh1+!
- 1...Bxd4
- 1.Kf5?
- 1...Bxd4
- 2.Ra2#
- 2.Qa2#
- 2.Qa4#
- 1...Rc1
- 2.Qxb2#
- 1...Rd1
- 2.Qxb2#
- 1...Re1
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Rh1
- 2.Qxb2#
- 1...Bc1
- 2.Ra2#
- 2.Qa2#
- 1...Ba3
- 2.Ra2#
- 2.Qa2#
- 1...Bc3
- 2.Ra2#
- 2.Qa2#
- 2.Qa4#
- 1...Rf1+!
- 1...Bxd4
- 1.Kh5?
- 1...Bxd4
- 2.Ra2#
- 2.Qa2#
- 2.Qa4#
- 1...Rc1
- 2.Qxb2#
- 1...Rd1
- 2.Qxb2#
- 1...Re1
- 2.Qxb2#
- 1...Rf1
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Bc1
- 2.Ra2#
- 2.Qa2#
- 1...Ba3
- 2.Ra2#
- 2.Qa2#
- 1...Bc3
- 2.Ra2#
- 2.Qa2#
- 2.Qa4#
- 1...Rh1+!
- 1...Bxd4
- 1.Kh6?
- 1...Bxd4
- 2.Ra2#
- 2.Qa2#
- 2.Qa4#
- 1...Rc1
- 2.Qxb2#
- 1...Rd1
- 2.Qxb2#
- 1...Re1
- 2.Qxb2#
- 1...Rf1
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Bc1
- 2.Qa2#
- 1...Ba3
- 2.Ra2#
- 2.Qa2#
- 1...Bc3
- 2.Ra2#
- 2.Qa2#
- 2.Qa4#
- 1...Rh1+!
- 1...Bxd4
- 1.Rxb2?
- threat
- 2.Rxb1#
- 2.Ra2#
- 2.Qa2#
- 1...Rc1
- 2.Ra2#
- 2.Qa2#
- 1...Rd1
- 2.Ra2#
- 2.Qa2#
- 1...Re1
- 2.Ra2#
- 2.Qa2#
- 1...Rf1
- 2.Ra2#
- 2.Qa2#
- 1...Rg1
- 2.Ra2#
- 2.Qa2#
- 1...Rh1
- 2.Ra2#
- 2.Qa2#
- 1...Rxb2!
- threat
- 1.Rc2?
- 1...Bxd4
- 2.Ra2#
- 2.Qa2#
- 2.Qa4#
- 1...Rc1
- 2.Qxb2#
- 1...Rd1
- 2.Qxb2#
- 1...Re1
- 2.Qxb2#
- 1...Rf1
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Rh1
- 2.Qxb2#
- 1...Ba3
- 2.Ra2#
- 2.Qa2#
- 1...Bc3
- 2.Ra2#
- 2.Qa2#
- 2.Qa4#
- 1...Bc1+!
- 1...Bxd4
- 1.Re2?
- 1...Bxd4
- 2.Ra2#
- 2.Qa2#
- 2.Qa4#
- 1...Rc1
- 2.Qxb2#
- 1...Rd1
- 2.Qxb2#
- 1...Re1
- 2.Qxb2#
- 1...Rf1
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Rh1
- 2.Qxb2#
- 1...Ba3
- 2.Ra2#
- 2.Qa2#
- 1...Bc3
- 2.Ra2#
- 2.Qa2#
- 2.Qa4#
- 1...Bc1+!
- 1...Bxd4
- 1.Rf2?
- 1...Bxd4
- 2.Ra2#
- 2.Qa2#
- 2.Qa4#
- 1...Rc1
- 2.Qxb2#
- 1...Rd1
- 2.Qxb2#
- 1...Re1
- 2.Qxb2#
- 1...Rf1
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Rh1
- 2.Qxb2#
- 1...Ba3
- 2.Ra2#
- 2.Qa2#
- 1...Bc3
- 2.Ra2#
- 2.Qa2#
- 2.Qa4#
- 1...Bc1+!
- 1...Bxd4
- 1.Rg2?
- 1...Bxd4
- 2.Ra2#
- 2.Qa2#
- 2.Qa4#
- 1...Rc1
- 2.Qxb2#
- 1...Rd1
- 2.Qxb2#
- 1...Re1
- 2.Qxb2#
- 1...Rf1
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Rh1
- 2.Qxb2#
- 1...Ba3
- 2.Ra2#
- 2.Qa2#
- 1...Bc3
- 2.Ra2#
- 2.Qa2#
- 2.Qa4#
- 1...Bc1+!
- 1...Bxd4
- 1.Rh2?
- 1...Bxd4
- 2.Ra2#
- 2.Qa2#
- 2.Qa4#
- 1...Rc1
- 2.Qxb2#
- 1...Rd1
- 2.Qxb2#
- 1...Re1
- 2.Qxb2#
- 1...Rf1
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Rh1
- 2.Qxb2#
- 1...Ba3
- 2.Ra2#
- 2.Qa2#
- 1...Bc3
- 2.Ra2#
- 2.Qa2#
- 2.Qa4#
- 1...Bc1+!
- 1...Bxd4
- 1.Rxb4?
- threat
- 2.Ra4#
- 2.Qa4#
- 2.Qa3#
- 1...Rc1
- 2.Qxb2#
- 1...Rd1
- 2.Rxd1#
- 2.Qxb2#
- 1...Re1
- 2.Qxb2#
- 1...Rf1
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Rh1
- 2.Qxb2#
- 1...Bxf6+!
- threat
- 1.Rc4?
- threat
- 2.Qa4#
- 1...Rc1
- 2.Rxc1#
- 2.Qxb2#
- 1...Rd1
- 2.Rxd1#
- 2.Qxb2#
- 1...Re1
- 2.Qxb2#
- 1...Rf1
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Rh1
- 2.Qxb2#
- 1...Bxf6+!
- threat
- 1.Re4?
- threat
- 2.Qa4#
- 1...Rc1
- 2.Qxb2#
- 1...Rd1
- 2.Rxd1#
- 2.Qxb2#
- 1...Re1
- 2.Rxe1#
- 2.Qxb2#
- 1...Rf1
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Rh1
- 2.Qxb2#
- 1...Bxf6+!
- threat
- 1.Rf4?
- threat
- 2.Qa4#
- 1...Rc1
- 2.Qxb2#
- 1...Rd1
- 2.Rxd1#
- 2.Qxb2#
- 1...Re1
- 2.Qxb2#
- 1...Rf1
- 2.Rxf1#
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Rh1
- 2.Qxb2#
- 1...Bxf6+!
- threat
- 1.Rd5?
- threat
- 2.Ra5#
- 2.Qa4#
- 1...Rc1
- 2.Qxb2#
- 1...Rd1
- 2.Rxd1#
- 2.Qxb2#
- 1...Re1
- 2.Qxb2#
- 1...Rf1
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Rh1
- 2.Qxb2#
- 1...Bxf6+!
- threat
- 1.Rd6?
- threat
- 2.Ra6#
- 2.Qa4#
- 1...Rc1
- 2.Qxb2#
- 1...Rd1
- 2.Rxd1#
- 2.Qxb2#
- 1...Re1
- 2.Qxb2#
- 1...Rf1
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Rh1
- 2.Qxb2#
- 1...Bxf6+!
- threat
- 1.Rd7?
- threat
- 2.Ra7#
- 2.Qa4#
- 1...Rc1
- 2.Qxb2#
- 1...Rd1
- 2.Rxd1#
- 2.Qxb2#
- 1...Re1
- 2.Qxb2#
- 1...Rf1
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Rh1
- 2.Qxb2#
- 1...Bxf6+!
- threat
- 1.Rd8?
- threat
- 2.Ra8#
- 2.Qa4#
- 1...Rc1
- 2.Qxb2#
- 1...Rd1
- 2.Rxd1#
- 2.Qxb2#
- 1...Re1
- 2.Qxb2#
- 1...Rf1
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Rh1
- 2.Qxb2#
- 1...Bxf6+!
- threat
- 1.Qxb4?
- 1...Ka2
- 2.Qa4#
- 1...Bxd4
- 2.Qa3#
- 2.Qa5#
- 2.Qa4#
- 1...Rc1
- 2.Qxb2#
- 1...Rd1
- 2.Qxb2#
- 1...Re1
- 2.Qxb2#
- 1...Rf1
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Rh1
- 2.Qxb2#
- 1...Ba3
- 2.Qxa3#
- 1...Bc3
- 2.Qa3#
- 2.Qa4#
- 1...Bc1!
- 1...Ka2
- 1.Kf4?
- Keys
- 1.Qc2!
- 1...Ka2
- 2.Qa4#
- 1...Bxd4
- 2.Qa4#
- 2.Qa2#
- 1...Rc1
- 2.Qxb2#
- 1...Rd1
- 2.Qxb2#
- 1...Re1
- 2.Qxb2#
- 1...Rf1
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Rh1
- 2.Qxb2#
- 1...Bc1
- 2.Qa2#
- 1...Ba3
- 2.Qa2#
- 1...Bc3
- 2.Qa4#
- 2.Qa2#
- 1...b3
- 2.Ra4#
- 1...Ka2
- 1.Qc2!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(b);N_GUARD::QAB1(B),XB(c)
- R(b);N_GUARD,P_PINP(E)::QAB1(B),XB(c)
- R(b);N_GUARD,SBLOCK::QAB1(B),XB(c)
- B(c);P_PINR(A)::QAR1(B)
- Tries
- Try
- K(F);S_FLIGHT
- Vars
- R(b);N_GUARD::QAB1(B),XB(c)
- R(b);N_GUARD,SBLOCK::QAB1(B),XB(c)
- B(c);P_PINR(A)::QAR1(B)
- Refutation
- R(b);CHECK
- Try
- K(F);S_FLIGHT
- Vars
- R(b);N_GUARD::QAB1(B),XB(c)
- Refutation
- R(b);CHECK
- Try
- K(F);P-FLIGHT
- Vars
- R(b);N_GUARD::QAB1(B),XB(c)
- R(b);N_GUARD,SBLOCK::QAB1(B),XB(c)
- Refutation
- R(b);CHECK
- Try
- K(F);P-FLIGHT
- Vars
- R(b);N_GUARD::QAB1(B),XB(c)
- Refutation
- R(b);CHECK
- Try
- K(F);S_FLIGHT
- Vars
- R(b);N_GUARD::QAB1(B),XB(c)
- B(c);P_PINR(A)::QAR1(B)
- Refutation
- R(b);CHECK
- Try
- R(A);XB(c)
- Threat
- DUALS(3)
- Refutation
- R(b);XR(A)
- Try
- R(A);
- Vars
- R(b);N_GUARD::QAB1(B),XB(c)
- R(b);N_GUARD,P_PINP(E)::QAB1(B),XB(c)
- R(b);N_GUARD,SBLOCK::QAB1(B),XB(c)
- Refutation
- B(c);CHECK
- Try
- R(A);
- Vars
- R(b);N_GUARD::QAB1(B),XB(c)
- R(b);N_GUARD,P_PINP(E)::QAB1(B),XB(c)
- R(b);N_GUARD,SBLOCK::QAB1(B),XB(c)
- Refutation
- B(c);CHECK
- Try
- R(A);
- Vars
- R(b);N_GUARD::QAB1(B),XB(c)
- R(b);N_GUARD,P_PINP(E)::QAB1(B),XB(c)
- R(b);N_GUARD,SBLOCK::QAB1(B),XB(c)
- Refutation
- B(c);CHECK
- Try
- R(A);
- Vars
- R(b);N_GUARD::QAB1(B),XB(c)
- R(b);N_GUARD,SBLOCK::QAB1(B),XB(c)
- Refutation
- B(c);CHECK
- Try
- R(A);
- Vars
- R(b);N_GUARD::QAB1(B),XB(c)
- R(b);N_GUARD,P_PINP(E)::QAB1(B),XB(c)
- Refutation
- B(c);CHECK
- Try
- R(D);P_PINB(c),XP(d)
- Threat
- DUALS(3)
- Vars
- R(b);N_GUARD::QAB1(B),XB(c)
- R(b);N_GUARD,P_PINP(E)::QAB1(B),XB(c)
- R(b);N_GUARD,SBLOCK::QAB1(B),XB(c)
- Refutation
- B(c);CHECK,N_SPINB(c),XB(G)
- Try
- R(D);P_PINB(c)
- Threat
- QAR(B)
- Vars
- R(b);N_GUARD::QAB1(B),XB(c)
- R(b);N_GUARD,P_PINP(E)::QAB1(B),XB(c)
- R(b);N_GUARD,SBLOCK::QAB1(B),XB(c)
- Refutation
- B(c);CHECK,N_SPINB(c),XB(G)
- Try
- R(D);P_PINB(c)
- Threat
- QAR(B)
- Vars
- R(b);N_GUARD::QAB1(B),XB(c)
- R(b);N_GUARD,P_PINP(E)::QAB1(B),XB(c)
- R(b);N_GUARD,SBLOCK::QAB1(B),XB(c)
- Refutation
- B(c);CHECK,N_SPINB(c),XB(G)
- Try
- R(D);P_PINB(c)
- Threat
- QAR(B)
- Vars
- R(b);N_GUARD::QAB1(B),XB(c)
- R(b);N_GUARD,P_PINP(E)::QAB1(B),XB(c)
- R(b);N_GUARD,SBLOCK::QAB1(B),XB(c)
- Refutation
- B(c);CHECK,N_SPINB(c),XB(G)
- Try
- R(D);P_PINB(c)
- Threat
- DUALS(2)
- Vars
- R(b);N_GUARD::QAB1(B),XB(c)
- R(b);N_GUARD,P_PINP(E)::QAB1(B),XB(c)
- R(b);N_GUARD,SBLOCK::QAB1(B),XB(c)
- Refutation
- B(c);CHECK,N_SPINB(c),XB(G)
- Try
- R(D);P_PINB(c)
- Threat
- DUALS(2)
- Vars
- R(b);N_GUARD::QAB1(B),XB(c)
- R(b);N_GUARD,P_PINP(E)::QAB1(B),XB(c)
- R(b);N_GUARD,SBLOCK::QAB1(B),XB(c)
- Refutation
- B(c);CHECK,N_SPINB(c),XB(G)
- Try
- R(D);P_PINB(c)
- Threat
- DUALS(2)
- Vars
- R(b);N_GUARD::QAB1(B),XB(c)
- R(b);N_GUARD,P_PINP(E)::QAB1(B),XB(c)
- R(b);N_GUARD,SBLOCK::QAB1(B),XB(c)
- Refutation
- B(c);CHECK,N_SPINB(c),XB(G)
- Try
- R(D);P_PINB(c)
- Threat
- DUALS(2)
- Vars
- R(b);N_GUARD::QAB1(B),XB(c)
- R(b);N_GUARD,P_PINP(E)::QAB1(B),XB(c)
- R(b);N_GUARD,SBLOCK::QAB1(B),XB(c)
- Refutation
- B(c);CHECK,N_SPINB(c),XB(G)
- Try
- Q(B);XP(d)
- Vars
- K(a);P-FLIGHT,P_SPINB(c)::QAR2(B)
- R(b);N_GUARD::QAB1(B),XB(c)
- R(b);N_GUARD,P_PINP(E)::QAB1(B),XB(c)
- R(b);N_GUARD,SBLOCK::QAB1(B),XB(c)
- B(c);N_GUARD::QAR2(B),XB(c)
- Refutation
- B(c);P_PINR(A)
- Try
- Actual
- Q(B);
- Vars
- K(a);P-FLIGHT,P_SPINB(c)::QAR2(B)
- R(b);N_GUARD::QAB1(B),XB(c)
- R(b);N_GUARD,P_PINP(E)::QAB1(B),XB(c)
- R(b);N_GUARD,SBLOCK::QAB1(B),XB(c)
- B(c);OGATE,P_PINR(A)::QAR1(B)
- B(c);OGATE::QAR1(B)
- P(d);OGATE::R(D)
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).