MESON Chess Problem Database
Problem Display
PID: 86123 (8/6p1/6B1/8/1p1K1p2/1R6/2R3N1/r2k1N2 w - - 0 1)
Speckmann, Werner
Springaren, 1965
#2
6 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Rxb1#
- 1...Rc1
- 2.Rd2#
- 1...Ra2
- 2.Rb1#
- 1...Ra3
- 2.Rb1#
- 1...Ra4
- 2.Rb1#
- 1...Ra5
- 2.Rb1#
- 1...Ra6
- 2.Rb1#
- 1...Ra7
- 2.Rb1#
- 1...Ra8
- 2.Rb1#
- 1...f3
- 2.Sfe3#
- 1...Rb1
- Tries
- 1.Kd3?
- 1...Rb1
- 2.Rxb1#
- 1...Rc1
- 2.Rd2#
- 1...Ra2
- 2.Rb1#
- 1...Ra4
- 2.Rb1#
- 1...Ra5
- 2.Rb1#
- 1...Ra6
- 2.Rb1#
- 1...Ra7
- 2.Rb1#
- 1...Ra8
- 2.Rb1#
- 1...f3
- 2.Sfe3#
- 1...Ra3!
- 1...Rb1
- 1.Kc4?
- 1...Rb1
- 2.Rxb1#
- 1...Ra2
- 2.Rb1#
- 1...Ra3
- 2.Rb1#
- 1...Ra4
- 2.Rb1#
- 1...Ra5
- 2.Rb1#
- 1...Ra6
- 2.Rb1#
- 1...Ra7
- 2.Rb1#
- 1...Ra8
- 2.Rb1#
- 1...f3
- 2.Sfe3#
- 1...Rc1!
- 1...Rb1
- 1.Kd5?
- 1...Rc1
- 2.Rd2#
- 1...Rb1
- 2.Rxb1#
- 1...Ra2
- 2.Rb1#
- 1...Ra3
- 2.Rb1#
- 1...Ra4
- 2.Rb1#
- 1...Ra6
- 2.Rb1#
- 1...Ra7
- 2.Rb1#
- 1...Ra8
- 2.Rb1#
- 1...f3
- 2.Sfe3#
- 1...Ra5+!
- 1...Rc1
- 1.Ke5?
- 1...Rc1
- 2.Rd2#
- 1...Rb1
- 2.Rxb1#
- 1...Ra2
- 2.Rb1#
- 1...Ra3
- 2.Rb1#
- 1...Ra4
- 2.Rb1#
- 1...Ra6
- 2.Rb1#
- 1...Ra7
- 2.Rb1#
- 1...Ra8
- 2.Rb1#
- 1...f3
- 2.Sfe3#
- 1...Ra5+!
- 1...Rc1
- 1.Bh5+?
- 1...f3
- 2.Sfe3#
- 1...Kxc2!
- 1...f3
- 1.Re2?
- threat
- 2.Re1#
- 1...Kc1
- 2.Re1#
- 1...Kxe2!
- threat
- 1.Rbb2?
- 1...Rc1
- 2.Rd2#
- 1...Rb1
- 2.Rxb1#
- 1...Ra2
- 2.Rb1#
- 1...Ra3
- 2.Rb1#
- 1...Ra4
- 2.Rb1#
- 1...Ra5
- 2.Rb1#
- 1...Ra6
- 2.Rb1#
- 1...Ra7
- 2.Rb1#
- 1...Ra8
- 2.Rb1#
- 1...f3
- 2.Sfe3#
- 1...b3!
- 1...Rc1
- 1.Rxb4?
- 1...Rc1
- 2.Rd2#
- 1...Rb1
- 2.Rxb1#
- 1...Ra2
- 2.Rb1#
- 1...Ra3
- 2.Rb1#
- 1...Ra5
- 2.Rb1#
- 1...Ra6
- 2.Rb1#
- 1...Ra7
- 2.Rb1#
- 1...Ra8
- 2.Rb1#
- 1...f3
- 2.Sfe3#
- 1...Ra4!
- 1...Rc1
- 1.Kd3?
- Keys
- 1.Re3!
- threat
- 2.Re1#
- 1...fxe3
- 2.Sfxe3#
- threat
- 1.Re3!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 10
- Sets
- R(a);N_GUARD::R(D),XR(a)
- R(a);SBLOCK::R1(B)
- R(a);N_GUARD::R(D)
- P(d);N_GUARD::S(A)
- Tries
- Try
- K(E);P-FLIGHT
- Vars
- R(a);N_GUARD::R(D),XR(a)
- R(a);SBLOCK::R1(B)
- R(a);N_GUARD::R(D)
- P(d);N_GUARD::S(A)
- Refutation
- R(a);P_PINR(D)
- Try
- K(E);P-FLIGHT
- Vars
- R(a);N_GUARD::R(D),XR(a)
- R(a);N_GUARD::R(D)
- P(d);N_GUARD::S(A)
- Refutation
- R(a);P_PINR(B)
- Try
- K(E);P-FLIGHT
- Vars
- R(a);SBLOCK::R1(B)
- R(a);N_GUARD::R(D),XR(a)
- R(a);N_GUARD::R(D)
- P(d);N_GUARD::S(A)
- Refutation
- R(a);CHECK
- Try
- K(E);S_FLIGHT
- Vars
- R(a);SBLOCK::R1(B)
- R(a);N_GUARD::R(D),XR(a)
- R(a);N_GUARD::R(D)
- P(d);N_GUARD::S(A)
- Refutation
- R(a);CHECK
- Try
- B(F);CHECK
- Vars
- P(d);P_SPINP(d)::S(A)
- Refutation
- K(b);S_FLIGHT,XR(B)
- Try
- R(B);
- Threat
- R1(B)
- Vars
- K(b);P-FLIGHT::R(B)
- Refutation
- K(b);S_FLIGHT,XR(B)
- Try
- R(D);
- Vars
- R(a);SBLOCK::R1(B)
- R(a);N_GUARD::R(D),XR(a)
- R(a);N_GUARD::R(D)
- P(d);N_GUARD::S(A)
- Refutation
- P(c);
- Try
- R(D);XP(c)
- Vars
- R(a);SBLOCK::R1(B)
- R(a);N_GUARD::R(D),XR(a)
- R(a);N_GUARD::R(D)
- P(d);N_GUARD::S(A)
- Refutation
- R(a);P_PINR(D)
- Try
- Actual
- R(D);
- Threat
- R1(D)
- Vars
- P(d);XR(D)::S(A),XP(d)
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