MESON Chess Problem Database
Problem Display
PID: 87705 (7r/1QP5/1bK3P1/1PP5/3k4/1P2R3/5P2/r6R w - - 0 1)
Oncescu, Nicolae
Buletin Problemistic, 2000
#2
10 + 4
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Rxd1#
- 1...Ra3
- 2.Rd1#
- 1...Ra4
- 2.Rd1#
- 1...Ra5
- 2.Rd1#
- 1...Ra6
- 2.Rd1#
- 1...Ra7
- 2.Rd1#
- 1...Raa8
- 2.Rd1#
- 1...Rh4
- 2.Rxh4#
- 1...Rha8
- 2.Rh4#
- 1...Rb8
- 2.Rh4#
- 1...Rc8
- 2.Rh4#
- 1...Rd8
- 2.Rh4#
- 1...Rg8
- 2.Rh4#
- 1...Rd1
- Tries
- 1.Rxa1?
- threat
- 2.Rd1#
- 2.Ra4#
- 1...Bxc5
- 2.Rd1#
- 1...Rh1
- 2.Ra4#
- 1...Ra8
- 2.Rd1#
- 1...Ba5!
- threat
- 1.Rc1?
- threat
- 2.Rc4#
- 1...Ra4
- 2.Rd1#
- 1...Rxc1!
- threat
- 1.Rh5?
- threat
- 2.Rd5#
- 1...Rd8
- 2.Rh4#
- 1...Rxh5!
- threat
- 1.Rxh8?
- threat
- 2.Rh4#
- 2.Rd8#
- 1...Bxc5
- 2.Rh4#
- 1...Rg1
- 2.Rd8#
- 1...Rh1
- 2.Rd8#
- 1...Ra8
- 2.Rh4#
- 1...Bxc7!
- threat
- 1.Qc8?
- threat
- 2.Qg4#
- 2.Qd7#
- 2.Qxh8#
- 1...Raxh1
- 2.Qg4#
- 2.Qd7#
- 1...Rhxh1
- 2.Qg4#
- 2.Qd7#
- 2.Qd8#
- 1...Rxc8
- 2.Rh4#
- 1...Bxc5
- 2.Qg4#
- 2.Qxh8#
- 1...Rg1
- 2.Qd7#
- 2.Qxh8#
- 1...Ra8
- 2.Rd1#
- 2.Qg4#
- 2.Qd7#
- 1...Rh2
- 2.Qg4#
- 2.Qd7#
- 2.Qd8#
- 1...Rh3
- 2.Qg4#
- 2.Qd7#
- 2.Qd8#
- 1...Rh4
- 2.Rxh4#
- 2.Qd7#
- 2.Qd8#
- 1...Rh5
- 2.Qg4#
- 1...Rh6
- 2.Qg4#
- 2.Qd7#
- 2.Qd8#
- 1...Rh7
- 2.Qg4#
- 1...Rd8
- 2.Rh4#
- 2.Qg4#
- 2.Qxd8#
- 1...Re8
- 2.Qd7#
- 1...Rf8
- 2.Qd7#
- 1...Rg8
- 2.Rh4#
- 2.Qg4#
- 2.Qd7#
- 1...Bxc7!
- threat
- 1.Rxa1?
- Keys
- 1.Qa8!
- threat
- 2.Qxa1#
- 2.Qxh8#
- 1...Raxh1
- 2.Qa4#
- 1...Raxa8
- 2.Rd1#
- 1...Rhxh1
- 2.Qd8#
- 1...Rhxa8
- 2.Rh4#
- 1...Bxc7
- 2.Qxa1#
- 1...Rb1
- 2.Qa4#
- 2.Qxh8#
- 1...Rc1
- 2.Qxh8#
- 1...Rd1
- 2.Rxd1#
- 2.Qa4#
- 2.Qxh8#
- 1...Re1
- 2.Qa4#
- 2.Qxh8#
- 1...Rf1
- 2.Qa4#
- 2.Qxh8#
- 1...Rg1
- 2.Qa4#
- 2.Qxh8#
- 1...Ra2
- 2.Qxh8#
- 1...Ra3
- 2.Rd1#
- 2.Qxh8#
- 1...Ra4
- 2.Rd1#
- 2.Qxa4#
- 2.Qxh8#
- 1...Ra5
- 2.Rd1#
- 2.Qxh8#
- 1...Ra6
- 2.Rd1#
- 2.Qxh8#
- 1...Ra7
- 2.Rd1#
- 2.Qxh8#
- 1...Rh2
- 2.Qxa1#
- 2.Qd8#
- 1...Rh3
- 2.Qxa1#
- 2.Qd8#
- 1...Rh4
- 2.Rxh4#
- 2.Qxa1#
- 2.Qd8#
- 1...Rh5
- 2.Qxa1#
- 1...Rh6
- 2.Qxa1#
- 2.Qd8#
- 1...Rh7
- 2.Qxa1#
- 1...Rb8
- 2.Rh4#
- 2.Qxa1#
- 1...Rc8
- 2.Rh4#
- 2.Qxa1#
- 1...Rd8
- 2.Rh4#
- 2.Qxa1#
- 2.Qxd8#
- 1...Re8
- 2.Qxa1#
- 1...Rf8
- 2.Qxa1#
- 1...Rg8
- 2.Rh4#
- 2.Qxa1#
- 1...Ba5
- 2.Qxh8#
- 1...Ba7
- 2.Qxh8#
- threat
- 1.Qa8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 11
- REMOVED MATES = 11
- Sets
- R(a);N_GUARD::R(A),XR(a)
- R(a);N_GUARD::R(A)
- R(d);N_GUARD::R(A),XR(d)
- R(d);N_GUARD::R(A)
- R(d);N_GUARD,P_PINP(J)::R(A)
- Tries
- Try
- R(A);XR(a)
- Threat
- DUALS(2)
- Vars
- B(c);XP(F)::R(A)
- R(d);::R(A)
- Refutation
- B(c);
- Try
- R(A);
- Threat
- R1(A)
- Vars
- R(a);N_GUARD::R(A)
- Refutation
- R(a);P_PINP(F),XR(A)
- Try
- R(A);
- Threat
- R1(A)
- Vars
- R(d);N_GUARD::R(A)
- Refutation
- R(d);XR(A)
- Try
- R(A);XR(d)
- Threat
- DUALS(2)
- Vars
- B(c);XP(F)::R(A)
- R(a);::R(A)
- Refutation
- B(c);XP(J)
- Try
- Q(I);
- Threat
- DUALS(3)
- Vars
- R(d);N_GUARD,P_PINP(J),XQ(I)::R(A)
- R(d);::QAR(I)
- Refutation
- B(c);XP(J)
- Try
- Actual
- Q(I);
- Threat
- DUALS(2)
- Vars
- R(a);N_GUARD,XR(A)::QAR(I)
- R(a);N_GUARD,XQ(I)::R(A)
- R(d);N_GUARD,XR(A)::QAR(I)
- R(d);N_GUARD,XQ(I)::R(A)
- B(c);XP(J)::QAB(I),XR(a)
- R(a);P_PINP(F)::QAB(I),XR(d)
- R(a);::QAB(I),XR(d)
- R(d);::QAB(I),XR(a)
- B(c);::QAB(I),XR(d)
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