MESON Chess Problem Database
Problem Display
PID: 92129 (5r2/8/2n1p2b/1N2kbQN/1p6/1R2pB2/2RP2n1/1K6 w - - 0 1)
Wielgos, Oskar
Deutsche Schachblatter, 1983
#2
8 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rf6
- 2.Qxf6#
- 1...Ra8
- 2.Qf6#
- 1...Rb8
- 2.Qf6#
- 1...Rc8
- 2.Qf6#
- 1...Rd8
- 2.Qf6#
- 1...Re8
- 2.Qf6#
- 1...Rg8
- 2.Qf6#
- 1...Rh8
- 2.Qf6#
- 1...Se1
- 2.Rxe3#
- 1...Sf4
- 2.Rxe3#
- 1...Sh4
- 2.Rxe3#
- 1...Sa5
- 2.d4#
- 1...Sa7
- 2.d4#
- 1...Se7
- 2.d4#
- 1...Sb8
- 2.d4#
- 1...Sd8
- 2.d4#
- 1...Rf6
- Tries
- 1.Ka1?
- threat
- 2.Rc5#
- 1...Rd8
- 2.Qf6#
- 1...Sf4
- 2.Rxe3#
- 1...Se7
- 2.d4#
- 1...Ra8+!
- threat
- 1.Kc1?
- threat
- 2.Rc5#
- 1...Rd8
- 2.Qf6#
- 1...Sf4
- 2.Rxe3#
- 1...Se7
- 2.d4#
- 1...exd2+!
- threat
- 1.Ka2?
- threat
- 2.Rc5#
- 1...Rd8
- 2.Qf6#
- 1...Sf4
- 2.Rxe3#
- 1...Se7
- 2.d4#
- 1...Ra8+!
- threat
- 1.Sf4?
- threat
- 2.Sd3#
- 2.Sg6#
- 1...Sxf4
- 2.Rxe3#
- 1...Rf6
- 2.Sd3#
- 1...Rd8
- 2.Sg6#
- 1...Rg8
- 2.Sd3#
- 1...Se1
- 2.Sg6#
- 2.Rxe3#
- 1...Sh4
- 2.Sd3#
- 2.Rxe3#
- 1...Se7
- 2.Sd3#
- 2.d4#
- 1...Bxg5!
- threat
- 1.Bxg2?
- threat
- 2.Rxe3#
- 1...exd2
- 2.Re3#
- 1...e2
- 2.Re3#
- 1...Bxg5!
- threat
- 1.Bxc6?
- threat
- 2.d4#
- 1...Rd8
- 2.Qf6#
- 1...exd2!
- threat
- 1.Rc3?
- threat
- 2.Rc5#
- 1...Rd8
- 2.Qf6#
- 1...Sf4
- 2.Rxe3#
- 1...Se7
- 2.d4#
- 1...bxc3!
- threat
- 1.Rd3?
- threat
- 2.Rc5#
- 1...Rd8
- 2.Qf6#
- 1...Sf4
- 2.Rxe3#
- 1...Se7!
- threat
- 1.Qg7+?
- 1...Rf6
- 2.Qxf6#
- 2.Qc7#
- 1...Bxg7!
- 1...Rf6
- 1.d3?
- threat
- 2.Rc5#
- 1...Rd8
- 2.Qf6#
- 1...Se7
- 2.d4#
- 1...Sf4!
- threat
- 1.Ka1?
- Keys
- 1.Kb2!
- threat
- 2.Rc5#
- 1...Rd8
- 2.Qf6#
- 1...Sf4
- 2.Rxe3#
- 1...Se7
- 2.d4#
- threat
- 1.Kb2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 13
- Sets
- R(i);N_GUARD::QAB1(G),XR(i)
- R(i);N_GUARD::QAB1(G)
- S(a);N_GUARD::R(D),XP(b)
- S(f);N_GUARD::P(C)
- Tries
- Try
- K(A);N_SPINR(B),P-FLIGHT
- Threat
- R(B)
- Vars
- R(i);N_GUARD::QAB1(G)
- S(a);N_GUARD::R(D),XP(b)
- S(f);N_GUARD::P(C)
- Refutation
- R(i);CHECK
- Try
- K(A);N_SPINR(B),P-FLIGHT
- Threat
- R(B)
- Vars
- R(i);N_GUARD::QAB1(G)
- S(a);N_GUARD::R(D),XP(b)
- S(f);N_GUARD::P(C)
- Refutation
- P(b);CHECK,XP(C)
- Try
- K(A);N_SPINR(B),S_FLIGHT
- Threat
- R(B)
- Vars
- R(i);N_GUARD::QAB1(G)
- S(a);N_GUARD::R(D),XP(b)
- S(f);N_GUARD::P(C)
- Refutation
- R(i);CHECK
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD,XS(H)::R(D),XP(b)
- R(i);::S(H)
- Refutation
- B(h);N_SPINB(e),XQ(G)
- Try
- B(E);XS(a)
- Threat
- R(D),XP(b)
- Vars
- P(b);XP(C)::R(D)
- P(b);::R(D)
- Refutation
- B(h);N_SPINB(e),XQ(G)
- Try
- B(E);XS(f)
- Threat
- P(C)
- Vars
- R(i);N_GUARD::QAB1(G)
- Refutation
- P(b);XP(C)
- Try
- R(D);
- Threat
- R(D)
- Vars
- R(i);N_GUARD::QAB1(G)
- S(a);N_GUARD::R(D),XP(b)
- S(f);N_GUARD::P(C)
- Refutation
- P(c);XR(D)
- Try
- R(D);N_SPINR(B)
- Threat
- R(B)
- Vars
- R(i);N_GUARD::QAB1(G)
- S(a);N_GUARD::R(D),XP(b)
- Refutation
- S(f);
- Try
- Q(G);CHECK,N_PINB(e)
- Refutation
- B(h);XQ(G)
- Try
- P(C);N_SPINR(B)
- Threat
- R(B)
- Vars
- R(i);N_GUARD::QAB1(G)
- S(f);N_GUARD::P(C)
- Refutation
- S(a);
- Try
- Actual
- K(A);N_SPINR(B),P-FLIGHT
- Threat
- R(B)
- Vars
- R(i);N_GUARD::QAB1(G)
- S(a);N_GUARD::R(D),XP(b)
- S(f);N_GUARD::P(C)
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