MESON Chess Problem Database
Problem Display
PID: 219473 (B7/8/2R5/r3k3/8/8/8/3QKR2 w - - 0 1)
Reddmann, Hauke
Schach-Report, 1992
#2
5 + 2
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Ke4
- 2.Re6#
- 1...Ke4
- Tries
- 1.Rff6?
- threat
- 2.Rce6#
- 1...Ke4
- 2.Rce6#
- 1...Ra6!
- threat
- 1.Rc2?
- threat
- 2.Re2#
- 1...Rd5
- 2.Qxd5#
- 1...Ra2
- 2.Qd5#
- 1...Ra3
- 2.Qd5#
- 1...Ra4
- 2.Qd5#
- 1...Ke6!
- threat
- 1.Rc3?
- threat
- 2.Re3#
- 1...Rd5
- 2.Qxd5#
- 1...Ra3
- 2.Qd5#
- 1...Ra4
- 2.Qd5#
- 1...Ke6!
- threat
- 1.Rb6?
- threat
- 2.Qd6#
- 1...Rd5
- 2.Qxd5#
- 1...Ra1
- 2.Qxa1#
- 1...Rxa8!
- threat
- 1.Rd6?
- threat
- 2.Qd4#
- 1...Rd5
- 2.Qxd5#
- 1...Ra4
- 2.Qd5#
- 1...Ra1!
- threat
- 1.Rcf6?
- threat
- 2.R1f5#
- 2.Qd6#
- 1...Rd5
- 2.Qxd5#
- 1...Ra1
- 2.R1f5#
- 2.Qxa1#
- 1...Ra6
- 2.R1f5#
- 2.Qd5#
- 1...Rxa8!
- threat
- 1.Rg6?
- threat
- 2.Qd6#
- 1...Rd5
- 2.Qxd5#
- 1...Ra1
- 2.Qxa1#
- 1...Ra6
- 2.Qd5#
- 1...Rxa8!
- threat
- 1.Rh6?
- threat
- 2.Qd6#
- 1...Rd5
- 2.Qxd5#
- 1...Ra1
- 2.Qxa1#
- 1...Ra6
- 2.Qd5#
- 1...Rxa8!
- threat
- 1.Rc7?
- threat
- 2.Re7#
- 1...Rd5
- 2.Qxd5#
- 1...Ra6
- 2.Qd5#
- 1...Ra7
- 2.Qd5#
- 1...Ke6!
- threat
- 1.Rc8?
- threat
- 2.Re8#
- 1...Ke6
- 2.Re8#
- 1...Rd5
- 2.Qxd5#
- 1...Ra6
- 2.Qd5#
- 1...Ra7
- 2.Qd5#
- 1...Rxa8!
- threat
- 1.Qe2+?
- 1...Kd4
- 2.Rc4#
- 1...Kd5!
- 1...Kd4
- 1.Qg4?
- threat
- 2.Rf5#
- 2.Re6#
- 1...Kd5
- 2.Rf5#
- 1...Rxa8
- 2.Rf5#
- 1...Ra6
- 2.Rf5#
- 1...Ra1+!
- threat
- 1.Rff6?
- Keys
- 1.Ra6!
- threat
- 2.Qd6#
- 1...Rxa6
- 2.Qd5#
- 1...Rd5
- 2.Qxd5#
- 1...Ra1
- 2.Qxa1#
- threat
- 1.Ra6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- K(b);P-FLIGHT::B(E)+R(D),DCHECK
- Tries
- Try
- R(C);
- Threat
- R1(D)
- Vars
- K(b);P-FLIGHT::B(E)+R(D),DCHECK
- Refutation
- R(a);
- Try
- R(D);
- Threat
- R(D)
- Vars
- R(a);N_GUARD::QAR1(A),XR(a)
- R(a);N_GUARD::QAR1(A)
- Refutation
- K(b);P-FLIGHT
- Try
- R(D);
- Threat
- R(D)
- Vars
- R(a);N_GUARD::QAR1(A),XR(a)
- R(a);N_GUARD::QAR1(A)
- Refutation
- K(b);P-FLIGHT
- Try
- R(D);
- Threat
- QAB1(A)
- Vars
- R(a);N_GUARD::QAR1(A),XR(a)
- R(a);N_GUARD,P_PINQ(A)::QAB(A),XR(a)
- Refutation
- R(a);XB(E)
- Try
- R(D);
- Threat
- QAB1(A)
- Vars
- R(a);N_GUARD::QAR1(A),XR(a)
- R(a);N_GUARD::QAR1(A)
- Refutation
- R(a);P_PINQ(A)
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- R(a);N_GUARD::QAR1(A),XR(a)
- Refutation
- R(a);XB(E)
- Try
- R(D);
- Threat
- QAB1(A)
- Vars
- R(a);N_GUARD::QAR1(A),XR(a)
- R(a);N_GUARD,P_PINQ(A)::QAB(A),XR(a)
- R(a);N_GUARD::QAR1(A)
- Refutation
- R(a);XB(E)
- Try
- R(D);
- Threat
- QAB1(A)
- Vars
- R(a);N_GUARD::QAR1(A),XR(a)
- R(a);N_GUARD,P_PINQ(A)::QAB(A),XR(a)
- R(a);N_GUARD::QAR1(A)
- Refutation
- R(a);XB(E)
- Try
- R(D);
- Threat
- R(D)
- Vars
- R(a);N_GUARD::QAR1(A),XR(a)
- R(a);N_GUARD::QAR1(A)
- Refutation
- K(b);P-FLIGHT
- Try
- R(D);
- Threat
- R(D)
- Vars
- K(b);P-FLIGHT::R(D)
- R(a);N_GUARD::QAR1(A),XR(a)
- R(a);N_GUARD::QAR1(A)
- Refutation
- R(a);XB(E)
- Try
- Q(A);CHECK
- Vars
- K(b);S_FLIGHT::R1(D)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- K(b);P-FLIGHT::R(C)
- R(a);XB(E)::R1(C)
- R(a);::R1(C)
- Refutation
- R(a);CHECK
- Try
- Actual
- R(D);
- Threat
- QAB1(A)
- Vars
- R(a);N_GUARD,XR(D)::QAR1(A)
- R(a);N_GUARD::QAR1(A),XR(a)
- R(a);N_GUARD,P_PINQ(A)::QAB(A),XR(a)
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