MESON Chess Problem Database

Problem Display
PID: 253038 (6b1/6bp/3Qn3/B1n5/1N2p3/1Rrqk1P1/K1R1NpP1/5B2 w - - 0 1)

Wrobel, Marian

Wiener Schachzeitung, 1937

6b1/6bp/3Qn3/B1n5/1N2p3/1Rrqk1P1/K1R1NpP1/5B2

#2

10 + 10

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qxc2+
      • 2.Sxc2#
    • 1...Qxe2
      • 2.Rxe2#
    • 1...Qc4
      • 2.Qd2#
    • 1...Qb5
      • 2.Qd2#
    • 1...Qa6
      • 2.Qd2#
    • 1...Qd2
      • 2.Qxd2#
    • 1...Rxc2+
      • 2.Sxc2#
    • 1...Rc4
      • 2.Sd5#
    • 1...Bd4
      • 2.Sd5#
    • 1...Sd4
      • 2.Qf4#
    • 1...Sf4
      • 2.Qxf4#
    • 1...Sg5
      • 2.Qf4#
    • 1...Sc7
      • 2.Qf4#
    • 1...Sd8
      • 2.Qf4#
    • 1...Sf8
      • 2.Qf4#
  • Tries
    • 1.Qxd3+?
      • 1...Rxd3
        • 2.Sd5#
      • 1...Sxd3
        • 2.Sd5#
      • 1...exd3!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Sf5#
      • 1...Qxc2+
        • 2.Sdxc2#
      • 1...Rxc2+
        • 2.Sbxc2#
      • 1...Qxd4
        • 2.Re2#
      • 1...Bxd4
        • 2.Sd5#
      • 1...Sxd4
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 11
  • Sets
    • Q(c);CHECK,P_SPINR(b),XR(C)::S(H),XQ(c)
    • Q(c);OGATE,P_PINR(C),P_SPINR(b),XS(D)::R1(C),XQ(c)
    • Q(c);OGATE,P_PINR(F),P_SPINR(b)::QAB1(J)
    • Q(c);OGATE,P_SPINR(b)::QAB1(J)
    • Q(c);OGATE,P_PINB(I),P_SPINR(b)::QAB1(J)
    • Q(c);OGATE,P_PINR(C),P_SPINR(b)::QAB1(J),XQ(c)
    • R(b);CHECK,P_SPINQ(c),XR(C)::S(H),XR(b)
    • R(b);P_SPINQ(c)::S(H)
    • B(h);S_CUTQ(c)::S(H)
    • S(g);N_GUARD,P_PINR(F)::QAB1(J)
    • S(g);N_GUARD,P_PINR(F)::QAB1(J),XS(g)
  • Tries
    • Try
      • Q(J);CHECK,XQ(c)
      • Vars
        • R(b);P_SPINR(b),XQ(J)::S(H)
        • S(f);SBLOCK,XQ(J)::S(H)
      • Refutation
        • P(e);XQ(J)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • Q(c);CHECK,P_SPINR(b),XR(C)::S(D),XQ(c)
      • R(b);CHECK,P_SPINQ(c),XR(C)::S(H),XR(b)
      • Q(c);N_GUARD,P_SPINR(b),XS(D)::R1(C)
      • B(h);SBLOCK,XS(D)::S(H)
      • S(g);N_GUARD,P_PINR(F),SBLOCK,XS(D)::QAB1(J)
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