MESON Chess Problem Database
Problem Display
PID: 99242 (b1r1B2B/8/3P3K/1R4R1/2kP3p/7r/2P2N2/Q3b3 w - - 0 1)
Korponai, Jozsef
Magyar Sakkelet, 1954
#2
10 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rb3
- 2.cxb3#
- 1...Rc3
- 2.Qa4#
- 1...Rd3
- 2.cxd3#
- 1...Rc5
- 2.Rgxc5#
- 1...Rc6
- 2.Bf7#
- 1...Rb8
- 2.Rgc5#
- 1...Rd8
- 2.Rgc5#
- 1...Rxe8
- 2.Rgc5#
- 1...Bc3
- 2.Qa2#
- 1...Bc6
- 2.Rgc5#
- 1...Rb3
- Tries
- 1.Rb1?
- threat
- 2.Bb5#
- 1...Rxe8
- 2.Rc5#
- 1...Rc5
- 2.Rxc5#
- 1...Rc6
- 2.Bf7#
- 1...Rb8
- 2.Rc5#
- 1...Bc6
- 2.Rc5#
- 1...Rb3!
- threat
- 1.Rb3?
- threat
- 2.Bb5#
- 2.Qa6#
- 1...Rxe8
- 2.Rc5#
- 2.Qa6#
- 1...Rc5
- 2.Rxc5#
- 1...Rc6
- 2.Bf7#
- 1...Rb8
- 2.Rc5#
- 1...Ba5
- 2.Bb5#
- 1...Bc6
- 2.Rc5#
- 1...Bb7
- 2.Bb5#
- 1...Rxb3!
- threat
- 1.Rb4+?
- 1...Bxb4
- 2.Bb5#
- 1...Kxb4!
- 1...Bxb4
- 1.Rbc5+?
- 1...Kb4
- 2.Qa4#
- 2.Qa5#
- 1...Rxc5!
- 1...Kb4
- 1.Qxe1?
- threat
- 2.Rb4#
- 2.Qb4#
- 1...Rb3
- 2.cxb3#
- 1...Rb8
- 2.Rbc5#
- 2.Rgc5#
- 2.Qb4#
- 1...Rc3!
- threat
- 1.Qa2+?
- 1...Rb3
- 2.Qxb3#
- 1...Kc3!
- 1...Rb3
- 1.Qa4+?
- 1...Bb4
- 2.Qxb4#
- 1...Kc3!
- 1...Bb4
- 1.c3?
- threat
- 2.Rb4#
- 1...Rxc3
- 2.Qa4#
- 1...Bxc3
- 2.Qa2#
- 1...Rb8
- 2.Rgc5#
- 1...Bxf2!
- threat
- 1.Rb1?
- Keys
- 1.Sg4!
- threat
- 2.Se5#
- 1...Rxe8
- 2.Rgc5#
- 1...Rc3
- 2.Qa4#
- 1...Re3
- 2.Sxe3#
- 1...Rc5
- 2.Rgxc5#
- 1...Rc6
- 2.Bf7#
- 1...Bc3
- 2.Qa2#
- 1...Bg3
- 2.Se3#
- 1...Bc6
- 2.Rgc5#
- threat
- 1.Sg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- R(b);OGATE::P(B),XR(b)
- R(b);SBLOCK,S_CUTB(a)::QAR2(A)
- R(f);N_GUARD::R1(F),XR(f)
- R(f);P_PINP(G),S_CUTB(e)::B(I)
- R(f);N_GUARD::R1(F)
- R(f);N_GUARD,XB(I)::R1(F)
- B(a);SBLOCK,S_CUTR(b)::QAB(A)
- B(e);S_CUTR(f)::R1(F)
- Tries
- Try
- R(E);
- Threat
- B(I)
- Vars
- R(f);N_GUARD,XB(I)::R1(F)
- R(f);N_GUARD::R1(F),XR(f)
- R(f);P_PINP(G),S_CUTB(e)::B(I)
- R(f);N_GUARD::R1(F)
- B(e);S_CUTR(f)::R1(F)
- Refutation
- R(b);
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- R(f);N_GUARD::R1(F),XR(f)
- R(f);P_PINP(G),S_CUTB(e)::B(I)
- R(f);N_GUARD::R1(F)
- B(a);::B(I)
- B(e);S_CUTR(f)::R1(F)
- B(e);::B(I)
- Refutation
- R(b);XR(E)
- Try
- R(E);CHECK
- Vars
- B(a);SBLOCK,XR(E)::B(I)
- Refutation
- K(c);P-FLIGHT,XR(E)
- Try
- R(E);CHECK
- Refutation
- R(f);XR(E)
- Try
- Q(A);XB(a)
- Threat
- DUALS(2)
- Vars
- R(b);OGATE::P(B),XR(b)
- Refutation
- R(b);
- Try
- Q(A);CHECK
- Vars
- R(b);N_GUARD,P_SPINR(b)::QAB1(A),XR(b)
- Refutation
- K(c);P-FLIGHT
- Try
- Q(A);CHECK
- Vars
- B(a);N_GUARD,P_SPINB(a)::QAR1(A),XB(a)
- Refutation
- K(c);P-FLIGHT
- Try
- P(B);
- Threat
- R1(E)
- Vars
- R(b);SBLOCK,XP(B)::QAR2(A)
- B(a);SBLOCK,XP(B)::QAB(A)
- R(f);N_GUARD::R1(F)
- Refutation
- B(a);XS(C)
- Try
- Actual
- S(C);
- Threat
- S(C)
- Vars
- R(f);N_GUARD,XB(I)::R1(F)
- R(b);SBLOCK,S_CUTB(a)::QAR2(A)
- R(b);N_GUARD::S(C),XR(b)
- R(f);N_GUARD::R1(F),XR(f)
- R(f);P_PINP(G),S_CUTB(e)::B(I)
- B(a);SBLOCK,S_CUTR(b)::QAB(A)
- B(a);S_CUTR(b)::S(C)
- B(e);S_CUTR(f)::R1(F)
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