MESON Chess Problem Database
Problem Display
PID: 24941 (3Q3K/2B5/4p3/R2bN3/1n1kp3/2R5/1P1n1P2/8 w - - 0 1)
Volkmann, Albert
Hamburger Problem-Nachrichten, 1950
#2
8 + 6
| 3105 | FIDE Album (1945-1955) | 1964 |
SOLUTION
- SOUND
- Sets
- 1...Sb1
- 2.Rc4#
- 1...Sf1
- 2.Rc4#
- 1...Sb3
- 2.Rc4#
- 1...Sf3
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Sa2
- 2.Sc6#
- 1...Sc2
- 2.Sc6#
- 1...Sd3
- 2.Sc6#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sb1
- Tries
- 1.Kg7?
- 1...Sb1
- 2.Rc4#
- 1...Sf1
- 2.Rc4#
- 1...Sb3
- 2.Rc4#
- 1...Sf3
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Sa2
- 2.Sc6#
- 1...Sc2
- 2.Sc6#
- 1...Sd3
- 2.Sc6#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...e3!
- 1...Sb1
- 1.Kh7?
- 1...Sb1
- 2.Rc4#
- 1...Sf1
- 2.Rc4#
- 1...Sb3
- 2.Rc4#
- 1...Sf3
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Sa2
- 2.Sc6#
- 1...Sc2
- 2.Sc6#
- 1...Sd3
- 2.Sc6#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...e3!
- 1...Sb1
- 1.Kg8?
- 1...Sb1
- 2.Rc4#
- 1...Sf1
- 2.Rc4#
- 1...Sb3
- 2.Rc4#
- 1...Sf3
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Sa2
- 2.Sc6#
- 1...Sc2
- 2.Sc6#
- 1...Sd3
- 2.Sc6#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...e3!
- 1...Sb1
- 1.Bb8?
- threat
- 2.Qb6#
- 1...Sc4
- 2.Rxc4#
- 1...Sb3
- 2.Rc4#
- 1...Sd3
- 2.Sc6#
- 1...Sa6
- 2.Sc6#
- 1...e3!
- threat
- 1.Ra1?
- 1...Sc4
- 2.Rxc4#
- 1...Sb1
- 2.Rc4#
- 1...Sf1
- 2.Rc4#
- 1...Sb3
- 2.Rc4#
- 1...Sf3
- 2.Rc4#
- 1...Sa2
- 2.Sc6#
- 1...Sc2
- 2.Sc6#
- 1...Sd3
- 2.Sc6#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...e3!
- 1...Sc4
- 1.Ra2?
- 1...Sxa2
- 2.Sc6#
- 1...Sc4
- 2.Rxc4#
- 1...Sb1
- 2.Rc4#
- 1...Sf1
- 2.Rc4#
- 1...Sb3
- 2.Rc4#
- 1...Sf3
- 2.Rc4#
- 1...Sc2
- 2.Sc6#
- 1...Sd3
- 2.Sc6#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...e3!
- 1...Sxa2
- 1.Raa3?
- 1...Sc4
- 2.Rxc4#
- 1...Sb1
- 2.Rc4#
- 1...Sf1
- 2.Rc4#
- 1...Sb3
- 2.Rc4#
- 1...Sf3
- 2.Rc4#
- 1...Sa2
- 2.Sc6#
- 1...Sc2
- 2.Sc6#
- 1...Sd3
- 2.Sc6#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...e3!
- 1...Sc4
- 1.Ra4?
- threat
- 2.Sc6#
- 1...Sc4
- 2.Rxc4#
- 1...e3!
- threat
- 1.Rb5?
- 1...Sc4
- 2.Rxc4#
- 1...Sb1
- 2.Rc4#
- 2.Rxb4#
- 1...Sf1
- 2.Rc4#
- 2.Rxb4#
- 1...Sb3
- 2.Rc4#
- 2.Rxb4#
- 1...Sf3
- 2.Rc4#
- 2.Rxb4#
- 1...Sa2
- 2.Sc6#
- 1...Sc2
- 2.Sc6#
- 1...Sd3
- 2.Sc6#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...e3!
- 1...Sc4
- 1.Rac5?
- 1...Sc4
- 2.R3xc4#
- 2.R5xc4#
- 1...Sb1
- 2.R3c4#
- 2.R5c4#
- 1...Sf1
- 2.R3c4#
- 2.R5c4#
- 1...Sb3
- 2.R3c4#
- 2.R5c4#
- 1...Sf3
- 2.R3c4#
- 2.R5c4#
- 1...Sa2
- 2.Sc6#
- 1...Sc2
- 2.Sc6#
- 1...Sd3
- 2.Sc6#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...e3!
- 1...Sc4
- 1.Rxd5+?
- 1...Sxd5
- 2.Sc6#
- 1...exd5!
- 1...Sxd5
- 1.Ra6?
- 1...Sxa6
- 2.Sc6#
- 1...Sc4
- 2.Rxc4#
- 1...Sb1
- 2.Rc4#
- 1...Sf1
- 2.Rc4#
- 1...Sb3
- 2.Rc4#
- 1...Sf3
- 2.Rc4#
- 1...Sa2
- 2.Sc6#
- 1...Sc2
- 2.Sc6#
- 1...Sd3
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...e3!
- 1...Sxa6
- 1.Ra7?
- 1...Sc4
- 2.Rxc4#
- 1...Sb1
- 2.Rc4#
- 1...Sf1
- 2.Rc4#
- 1...Sb3
- 2.Rc4#
- 1...Sf3
- 2.Rc4#
- 1...Sa2
- 2.Sc6#
- 1...Sc2
- 2.Sc6#
- 1...Sd3
- 2.Sc6#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...e3!
- 1...Sc4
- 1.Ra8?
- 1...Sc4
- 2.Rxc4#
- 1...Sb1
- 2.Rc4#
- 1...Sf1
- 2.Rc4#
- 1...Sb3
- 2.Rc4#
- 1...Sf3
- 2.Rc4#
- 1...Sa2
- 2.Sc6#
- 1...Sc2
- 2.Sc6#
- 1...Sd3
- 2.Sc6#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...e3!
- 1...Sc4
- 1.Qg5?
- threat
- 2.Bb6#
- 2.Qe3#
- 1...e3
- 2.Qxe3#
- 1...Sf1
- 2.Bb6#
- 1...Sb3
- 2.Qe3#
- 1...Sc2
- 2.Bb6#
- 2.Qxd2#
- 1...Sd3
- 2.Qe3#
- 1...Sa6
- 2.Qxd2#
- 2.Qe3#
- 1...Sc4!
- threat
- 1.Qf6?
- threat
- 2.Sf3#
- 2.Sc6#
- 2.Bb6#
- 1...Sc4
- 2.Sf3#
- 2.Sc6#
- 1...Bc6
- 2.Sf3#
- 2.Sxc6#
- 2.Bb6#
- 1...Sb3
- 2.Sf3#
- 2.Sc6#
- 1...Sf3
- 2.Sxf3#
- 2.Sc6#
- 2.Bb6#
- 1...Sd3
- 2.Sf3#
- 2.Sc6#
- 1...Sa6
- 2.Sf3#
- 2.Sc6#
- 1...Sc6
- 2.Sf3#
- 2.Sxc6#
- 2.Bb6#
- 1...e3!
- threat
- 1.Qxd5+?
- 1...Sxd5
- 2.Sc6#
- 1...exd5!
- 1...Sxd5
- 1.Qd6?
- threat
- 2.Bb6#
- 2.Qc5#
- 2.Qb6#
- 1...Sc4
- 2.Rxc4#
- 2.Qc5#
- 1...Sb3
- 2.Rc4#
- 1...Sd3
- 2.Sc6#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 2.Bb6#
- 2.Qc5#
- 1...e3!
- threat
- 1.Qd7?
- 1...Sc4
- 2.Rxc4#
- 1...Sb1
- 2.Rc4#
- 1...Sf1
- 2.Rc4#
- 1...Sb3
- 2.Rc4#
- 1...Sf3
- 2.Rc4#
- 1...Sa2
- 2.Sc6#
- 1...Sc2
- 2.Sc6#
- 1...Sd3
- 2.Sc6#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...e3!
- 1...Sc4
- 1.Kg7?
- Keys
- 1.Qh4!
- 1...Sc4
- 2.Sf3#
- 1...Ba2
- 2.Bb6#
- 1...Bb3
- 2.Bb6#
- 1...Bc4
- 2.Bb6#
- 1...Bc6
- 2.Bb6#
- 1...Bb7
- 2.Bb6#
- 1...Ba8
- 2.Bb6#
- 1...Sb1
- 2.Sf3#
- 1...Sf1
- 2.Sf3#
- 1...Sb3
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sa2
- 2.Rd3#
- 1...Sc2
- 2.Rd3#
- 1...Sd3
- 2.Rxd3#
- 1...Sa6
- 2.Rd3#
- 1...Sc6
- 2.Rd3#
- 1...Sc4
- 1.Qh4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 10
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::R1(C)
- S(a);N_GUARD::R1(C),XS(a)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- Tries
- Try
- K(H);S_FLIGHT
- Vars
- S(a);N_GUARD::R1(C)
- S(a);N_GUARD::R1(C),XS(a)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- Refutation
- P(d);
- Try
- K(H);P-FLIGHT
- Vars
- S(a);N_GUARD::R1(C)
- S(a);N_GUARD::R1(C),XS(a)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- Refutation
- P(d);
- Try
- K(H);P-FLIGHT
- Vars
- S(a);N_GUARD::R1(C)
- S(a);N_GUARD::R1(C),XS(a)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- Refutation
- P(d);
- Try
- B(F);
- Threat
- QAB(G)
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- S(b);N_GUARD::S(E)
- Refutation
- P(d);
- Try
- R(D);
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- Refutation
- P(d);
- Try
- R(D);
- Vars
- S(b);N_GUARD,XR(D)::S(E)
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- Refutation
- P(d);
- Try
- R(D);
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- Refutation
- P(d);
- Try
- R(D);P_PINS(b)
- Threat
- S(E)
- Vars
- S(a);N_GUARD,N_SPINS(b)::R1(C),XS(a)
- Refutation
- P(d);
- Try
- R(D);
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- Refutation
- P(d);
- Try
- R(D);
- Vars
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- Refutation
- P(d);
- Try
- R(D);CHECK,XB(e)
- Vars
- S(b);P_SPINS(b),XR(D)::S(E)
- Refutation
- P(f);P_SPINP(f),XR(D)
- Try
- R(D);
- Vars
- S(b);N_GUARD,XR(D)::S(E)
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- Refutation
- P(d);
- Try
- R(D);
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- Refutation
- P(d);
- Try
- R(D);
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- Refutation
- P(d);
- Try
- Q(G);N_PINB(e)
- Threat
- DUALS(2)
- Vars
- P(d);::QAB1(G),XP(d)
- S(a);::B(F)
- S(a);::QAB1(G)
- S(b);::QAB1(G)
- Refutation
- S(a);
- Try
- Q(G);N_PINB(e)
- Threat
- DUALS(3)
- Refutation
- P(d);
- Try
- Q(G);CHECK,XB(e)
- Vars
- S(b);XQ(G)::S(E)
- Refutation
- P(f);XQ(G)
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- S(a);N_GUARD::R1(C)
- S(b);N_GUARD::S(E)
- Refutation
- P(d);
- Try
- Q(G);
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- Refutation
- P(d);
- Try
- Actual
- Q(G);N_PINB(e),P_PINP(d)
- Vars
- S(a);N_GUARD::S(E)
- B(e);::B(F)
- S(a);N_GUARD::S(E),XS(a)
- S(b);N_GUARD::R1(C)
- S(b);N_GUARD::R1(C),XS(b)
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