MESON Chess Problem Database
Problem Display
PID: 40337 (b1N2B2/N1bn1p2/1r1q4/2k3rR/1p4R1/1B1pK3/8/1n4Q1 w - - 0 1)
Palkoska, Emil
HM., Karlov Chess Club, 1912
#2
8 + 11
| 3360 | Simple Two-move Themes | 1924 |
SOLUTION
- SOUND
- Sets
- 1...Qe7+
- 2.Kxd3#
- 1...Qxf8
- 2.Kxd3#
- 1...Rd5
- 2.Kf3#
- 2.Ke4#
- 2.Rc4#
- 1...Re5+
- 2.Kf4#
- 1...Rc6
- 2.Kf3#
- 2.Ke4#
- 1...Rb7
- 2.Kf3#
- 2.Ke4#
- 1...Bf3
- 2.Kxf3#
- 1...Be4
- 2.Kxe4#
- 1...Bd5
- 2.Kxd3#
- 1...Sd2
- 2.Kxd2#
- 1...Sa3
- 2.Kd2#
- 1...Sc3
- 2.Kd2#
- 1...Se5
- 2.Kf4#
- 1...d2
- 2.Ke2#
- 1...Qe7+
- Tries
- 1.Kf2?
- threat
- 2.Ke1#
- 2.Kf1#
- 1...Rf5+
- 2.Ke1#
- 1...Qe7
- 2.Kf1#
- 1...Re5
- 2.Kf1#
- 2.Kg3#
- 1...Bg2
- 2.Ke1#
- 2.Kxg2#
- 1...Sd2
- 2.Ke1#
- 1...d2
- 2.Kf1#
- 2.Ke2#
- 1...Sxf8!
- threat
- 1.Sxd6?
- threat
- 2.Kxd3#
- 2.Kf4#
- 2.Se4#
- 2.Sb7#
- 1...Re5+
- 2.Kxd3#
- 2.Kf4#
- 2.Se4#
- 1...Rxd6
- 2.Kf4#
- 1...Bxd6
- 2.Kxd3#
- 1...Rb5
- 2.Kxd3#
- 2.Kf4#
- 1...Ra6
- 2.Kxd3#
- 2.Kf4#
- 1...Rc6
- 2.Kxd3#
- 2.Kf3#
- 2.Ke4#
- 2.Kf4#
- 1...Rb7
- 2.Kxd3#
- 2.Kf3#
- 2.Ke4#
- 2.Kf4#
- 1...Rb8
- 2.Kxd3#
- 2.Kf4#
- 1...Rd5
- 2.Kf3#
- 2.Ke4#
- 2.Kf4#
- 2.Se4#
- 2.Sb7#
- 2.Rc4#
- 1...Rf5
- 2.Kxd3#
- 2.Se4#
- 2.Sb7#
- 1...Be4
- 2.Kxe4#
- 2.Kf4#
- 2.Sxe4#
- 2.Sb7#
- 1...Bb7
- 2.Kxd3#
- 2.Kf4#
- 2.Se4#
- 2.Sxb7#
- 1...Se5
- 2.Kf4#
- 2.Se4#
- 2.Sb7#
- 1...d2
- 2.Ke2#
- 2.Kd3#
- 2.Kf4#
- 2.Se4#
- 2.Sb7#
- 1...Sxf8!
- threat
- 1.Be6?
- threat
- 2.Rc4#
- 1...Re5+
- 2.Kf4#
- 1...Rd5
- 2.Kf3#
- 1...Be4
- 2.Kxe4#
- 1...Bd5
- 2.Kxd3#
- 1...Sd2
- 2.Kxd2#
- 1...Sa3
- 2.Kd2#
- 1...Se5
- 2.Kf4#
- 1...fxe6!
- threat
- 1.Bxd6+?
- 1...Bxd6
- 2.Kxd3#
- 1...Rxd6!
- 1...Bxd6
- 1.Rgxg5+?
- 1...Bd5
- 2.Kxd3#
- 2.Rxd5#
- 1...Se5
- 2.Kf4#
- 1...f5!
- 1...Bd5
- 1.Rhxg5+?
- 1...Bd5
- 2.Kxd3#
- 2.Rc4#
- 2.Rxd5#
- 1...Se5
- 2.Kf4#
- 1...f5!
- 1...Bd5
- 1.Kf2?
- Keys
- 1.Bxf7!
- threat
- 2.Rc4#
- 1...Qe7+
- 2.Kxd3#
- 1...Re5+
- 2.Kf4#
- 1...Rd5
- 2.Kf3#
- 1...Be4
- 2.Kxe4#
- 1...Bd5
- 2.Kxd3#
- 1...Sd2
- 2.Kxd2#
- 1...Sa3
- 2.Kd2#
- 1...Se5
- 2.Kf4#
- threat
- 1.Bxf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- Q(g);CHECK::QAB(A)+K(C),XP(b)
- Q(g);N_SPINQ(g),XB(H)::QAB(A)+K(C),XP(b)
- R(e);CHECK::QAB(A)+K(C)
- B(k);::QAB(A)+K(C),XB(k)
- B(k);N_SPINR(e)::QAB(A)+K(C),XP(b)
- S(a);::QAB(A)+K(C),XS(a)
- S(a);::QAB(A)+K(C)
- S(i);N_SPINR(e)::QAB(A)+K(C)
- P(b);::QAB(A)+K(C)
- Tries
- Try
- K(C);S_FLIGHT
- Threat
- DUALS(2)
- Vars
- R(e);CHECK::QAB(A)+K(C)
- Q(g);::QAB(A)+K(C)
- S(a);::QAB(A)+K(C)
- Refutation
- S(i);N_SPINQ(g),XB(H)
- Try
- S(G);XQ(g)
- Threat
- DUALS(4)
- Vars
- R(f);XS(G)::QAB(A)+K(C)
- B(h);P_SPINB(h),XS(G)::QAB(A)+K(C),XP(b)
- Refutation
- S(i);XB(H)
- Try
- B(B);
- Threat
- R1(D)
- Vars
- R(e);CHECK::QAB(A)+K(C)
- R(e);::QAB(A)+K(C)
- B(k);::QAB(A)+K(C),XB(k)
- B(k);N_SPINR(e)::QAB(A)+K(C),XP(b)
- S(a);::QAB(A)+K(C),XS(a)
- S(a);::QAB(A)+K(C)
- S(i);N_SPINR(e)::QAB(A)+K(C)
- Refutation
- P(j);XB(B)
- Try
- B(H);CHECK,XQ(g)
- Vars
- B(h);XB(H)::QAB(A)+K(C),XP(b)
- Refutation
- R(f);XB(H)
- Try
- R(D);CHECK,XR(e)
- Vars
- S(i);P_SPINS(i)::QAB(A)+K(C)
- Refutation
- P(j);P_SPINP(j)
- Try
- R(E);CHECK,XR(e)
- Vars
- S(i);P_SPINS(i)::QAB(A)+K(C)
- Refutation
- P(j);P_SPINP(j)
- Try
- Actual
- B(B);XP(j)
- Threat
- R1(D)
- Vars
- Q(g);CHECK::QAB(A)+K(C),XP(b)
- R(e);CHECK::QAB(A)+K(C)
- R(e);::QAB(A)+K(C)
- B(k);::QAB(A)+K(C),XB(k)
- B(k);N_SPINR(e)::QAB(A)+K(C),XP(b)
- S(a);::QAB(A)+K(C),XS(a)
- S(a);::QAB(A)+K(C)
- S(i);N_SPINR(e)::QAB(A)+K(C)
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